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Finding the Fourth Proportional to 922,509.92, 1,273,086.24 and 514,608.86

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Solution

The fourth proportional to 922,509.92, 1,273,086.24 and 514,608.86 is: 710,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,509.92 : 1,273,086.24 = 514,608.86 : x
  2. Step 2: Convert to fraction form
    922,509.92/1,273,086.24 = 514,608.86/x
  3. Step 3: Cross multiply
    922,509.92x = 1,273,086.24 × 514,608.86
  4. Step 4: Simplify right side
    922,509.92x = 655,141,458,648.09
  5. Step 5: Solve for x
    x = 655,141,458,648.09/922,509.92
  6. Step 6: Final answer
    x = 710,172.81

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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.