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Finding the Fourth Proportional to 922,641.53, 1,273,246.11 and 514,743.45

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Solution

The fourth proportional to 922,641.53, 1,273,246.11 and 514,743.45 is: 710,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,641.53 : 1,273,246.11 = 514,743.45 : x
  2. Step 2: Convert to fraction form
    922,641.53/1,273,246.11 = 514,743.45/x
  3. Step 3: Cross multiply
    922,641.53x = 1,273,246.11 × 514,743.45
  4. Step 4: Simplify right side
    922,641.53x = 655,395,092,786.76
  5. Step 5: Solve for x
    x = 655,395,092,786.76/922,641.53
  6. Step 6: Final answer
    x = 710,346.41

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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.