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Finding the Fourth Proportional to 599,368.20, 899,052.30 and 571,720.20

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Solution

The fourth proportional to 599,368.20, 899,052.30 and 571,720.20 is: 857,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,368.20 : 899,052.30 = 571,720.20 : x
  2. Step 2: Convert to fraction form
    599,368.20/899,052.30 = 571,720.20/x
  3. Step 3: Cross multiply
    599,368.20x = 899,052.30 × 571,720.20
  4. Step 4: Simplify right side
    599,368.20x = 514,006,360,766.46
  5. Step 5: Solve for x
    x = 514,006,360,766.46/599,368.20
  6. Step 6: Final answer
    x = 857,580.30

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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.