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Finding the Fourth Proportional to 562,208.97, 775,854.50 and 307,554.69

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Solution

The fourth proportional to 562,208.97, 775,854.50 and 307,554.69 is: 424,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,208.97 : 775,854.50 = 307,554.69 : x
  2. Step 2: Convert to fraction form
    562,208.97/775,854.50 = 307,554.69/x
  3. Step 3: Cross multiply
    562,208.97x = 775,854.50 × 307,554.69
  4. Step 4: Simplify right side
    562,208.97x = 238,617,690,232.61
  5. Step 5: Solve for x
    x = 238,617,690,232.61/562,208.97
  6. Step 6: Final answer
    x = 424,428.82

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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.