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Finding the Fourth Proportional to 922,624.68, 1,273,005.12 and 560,039.52

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Solution

The fourth proportional to 922,624.68, 1,273,005.12 and 560,039.52 is: 772,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,624.68 : 1,273,005.12 = 560,039.52 : x
  2. Step 2: Convert to fraction form
    922,624.68/1,273,005.12 = 560,039.52/x
  3. Step 3: Cross multiply
    922,624.68x = 1,273,005.12 × 560,039.52
  4. Step 4: Simplify right side
    922,624.68x = 712,933,176,362.34
  5. Step 5: Solve for x
    x = 712,933,176,362.34/922,624.68
  6. Step 6: Final answer
    x = 772,722.85

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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.