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Finding the Fourth Proportional to 572,539.20, 858,808.80 and 502,555.20

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Solution

The fourth proportional to 572,539.20, 858,808.80 and 502,555.20 is: 753,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,539.20 : 858,808.80 = 502,555.20 : x
  2. Step 2: Convert to fraction form
    572,539.20/858,808.80 = 502,555.20/x
  3. Step 3: Cross multiply
    572,539.20x = 858,808.80 × 502,555.20
  4. Step 4: Simplify right side
    572,539.20x = 431,598,828,245.76
  5. Step 5: Solve for x
    x = 431,598,828,245.76/572,539.20
  6. Step 6: Final answer
    x = 753,832.80

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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.