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Finding the Fourth Proportional to 587,654.90, 881,482.35 and 401,030.90

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Solution

The fourth proportional to 587,654.90, 881,482.35 and 401,030.90 is: 601,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,654.90 : 881,482.35 = 401,030.90 : x
  2. Step 2: Convert to fraction form
    587,654.90/881,482.35 = 401,030.90/x
  3. Step 3: Cross multiply
    587,654.90x = 881,482.35 × 401,030.90
  4. Step 4: Simplify right side
    587,654.90x = 353,501,660,154.62
  5. Step 5: Solve for x
    x = 353,501,660,154.62/587,654.90
  6. Step 6: Final answer
    x = 601,546.35

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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.