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Finding the Fourth Proportional to 572,672.60, 859,008.90 and 446,701.40

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Solution

The fourth proportional to 572,672.60, 859,008.90 and 446,701.40 is: 670,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,672.60 : 859,008.90 = 446,701.40 : x
  2. Step 2: Convert to fraction form
    572,672.60/859,008.90 = 446,701.40/x
  3. Step 3: Cross multiply
    572,672.60x = 859,008.90 × 446,701.40
  4. Step 4: Simplify right side
    572,672.60x = 383,720,478,242.46
  5. Step 5: Solve for x
    x = 383,720,478,242.46/572,672.60
  6. Step 6: Final answer
    x = 670,052.10

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Similar ratio
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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.