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Finding the Fourth Proportional to 544,590.92, 816,925.44 and 145,229.60

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Solution

The fourth proportional to 544,590.92, 816,925.44 and 145,229.60 is: 217,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,590.92 : 816,925.44 = 145,229.60 : x
  2. Step 2: Convert to fraction form
    544,590.92/816,925.44 = 145,229.60/x
  3. Step 3: Cross multiply
    544,590.92x = 816,925.44 × 145,229.60
  4. Step 4: Simplify right side
    544,590.92x = 118,641,754,881.02
  5. Step 5: Solve for x
    x = 118,641,754,881.02/544,590.92
  6. Step 6: Final answer
    x = 217,854.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.