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Finding the Fourth Proportional to 587,688.90, 881,533.35 and 401,064.90

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Solution

The fourth proportional to 587,688.90, 881,533.35 and 401,064.90 is: 601,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,688.90 : 881,533.35 = 401,064.90 : x
  2. Step 2: Convert to fraction form
    587,688.90/881,533.35 = 401,064.90/x
  3. Step 3: Cross multiply
    587,688.90x = 881,533.35 × 401,064.90
  4. Step 4: Simplify right side
    587,688.90x = 353,552,084,864.42
  5. Step 5: Solve for x
    x = 353,552,084,864.42/587,688.90
  6. Step 6: Final answer
    x = 601,597.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.