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Finding the Fourth Proportional to 530,437.06, 732,098.01 and 339,443.92

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Solution

The fourth proportional to 530,437.06, 732,098.01 and 339,443.92 is: 468,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,437.06 : 732,098.01 = 339,443.92 : x
  2. Step 2: Convert to fraction form
    530,437.06/732,098.01 = 339,443.92/x
  3. Step 3: Cross multiply
    530,437.06x = 732,098.01 × 339,443.92
  4. Step 4: Simplify right side
    530,437.06x = 248,506,218,338.60
  5. Step 5: Solve for x
    x = 248,506,218,338.60/530,437.06
  6. Step 6: Final answer
    x = 468,493.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.