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Finding the Fourth Proportional to 532,956.98, 735,555.65 and 339,302.83

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Solution

The fourth proportional to 532,956.98, 735,555.65 and 339,302.83 is: 468,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,956.98 : 735,555.65 = 339,302.83 : x
  2. Step 2: Convert to fraction form
    532,956.98/735,555.65 = 339,302.83/x
  3. Step 3: Cross multiply
    532,956.98x = 735,555.65 × 339,302.83
  4. Step 4: Simplify right side
    532,956.98x = 249,576,111,970.98
  5. Step 5: Solve for x
    x = 249,576,111,970.98/532,956.98
  6. Step 6: Final answer
    x = 468,285.66

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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.