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Finding the Fourth Proportional to 532,376.72, 735,011.48 and 338,893.64

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Solution

The fourth proportional to 532,376.72, 735,011.48 and 338,893.64 is: 467,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,376.72 : 735,011.48 = 338,893.64 : x
  2. Step 2: Convert to fraction form
    532,376.72/735,011.48 = 338,893.64/x
  3. Step 3: Cross multiply
    532,376.72x = 735,011.48 × 338,893.64
  4. Step 4: Simplify right side
    532,376.72x = 249,090,715,898.99
  5. Step 5: Solve for x
    x = 249,090,715,898.99/532,376.72
  6. Step 6: Final answer
    x = 467,884.31

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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.