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Finding the Fourth Proportional to 587,627.40, 881,441.10 and 401,003.40

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Solution

The fourth proportional to 587,627.40, 881,441.10 and 401,003.40 is: 601,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,627.40 : 881,441.10 = 401,003.40 : x
  2. Step 2: Convert to fraction form
    587,627.40/881,441.10 = 401,003.40/x
  3. Step 3: Cross multiply
    587,627.40x = 881,441.10 × 401,003.40
  4. Step 4: Simplify right side
    587,627.40x = 353,460,877,999.74
  5. Step 5: Solve for x
    x = 353,460,877,999.74/587,627.40
  6. Step 6: Final answer
    x = 601,505.10

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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.