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Finding the Fourth Proportional to 356,526.55, 534,429.95 and 223,500.25

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Solution

The fourth proportional to 356,526.55, 534,429.95 and 223,500.25 is: 335,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,526.55 : 534,429.95 = 223,500.25 : x
  2. Step 2: Convert to fraction form
    356,526.55/534,429.95 = 223,500.25/x
  3. Step 3: Cross multiply
    356,526.55x = 534,429.95 × 223,500.25
  4. Step 4: Simplify right side
    356,526.55x = 119,445,227,432.49
  5. Step 5: Solve for x
    x = 119,445,227,432.49/356,526.55
  6. Step 6: Final answer
    x = 335,024.78

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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.