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Finding the Fourth Proportional to 922,273.35, 1,272,520.50 and 559,689

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Solution

The fourth proportional to 922,273.35, 1,272,520.50 and 559,689 is: 772,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,273.35 : 1,272,520.50 = 559,689 : x
  2. Step 2: Convert to fraction form
    922,273.35/1,272,520.50 = 559,689/x
  3. Step 3: Cross multiply
    922,273.35x = 1,272,520.50 × 559,689
  4. Step 4: Simplify right side
    922,273.35x = 712,215,726,124.50
  5. Step 5: Solve for x
    x = 712,215,726,124.50/922,273.35
  6. Step 6: Final answer
    x = 772,239.30

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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.