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Finding the Fourth Proportional to 531,859.17, 737,070.71 and 521,766.17

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Solution

The fourth proportional to 531,859.17, 737,070.71 and 521,766.17 is: 723,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,859.17 : 737,070.71 = 521,766.17 : x
  2. Step 2: Convert to fraction form
    531,859.17/737,070.71 = 521,766.17/x
  3. Step 3: Cross multiply
    531,859.17x = 737,070.71 × 521,766.17
  4. Step 4: Simplify right side
    531,859.17x = 384,578,557,845.71
  5. Step 5: Solve for x
    x = 384,578,557,845.71/531,859.17
  6. Step 6: Final answer
    x = 723,083.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.