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Finding the Fourth Proportional to 552,079.60, 826,045.80 and 502,313.20

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Solution

The fourth proportional to 552,079.60, 826,045.80 and 502,313.20 is: 751,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,079.60 : 826,045.80 = 502,313.20 : x
  2. Step 2: Convert to fraction form
    552,079.60/826,045.80 = 502,313.20/x
  3. Step 3: Cross multiply
    552,079.60x = 826,045.80 × 502,313.20
  4. Step 4: Simplify right side
    552,079.60x = 414,933,709,144.56
  5. Step 5: Solve for x
    x = 414,933,709,144.56/552,079.60
  6. Step 6: Final answer
    x = 751,583.12

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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.