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Finding the Fourth Proportional to 410,833.60, 616,250.40 and 144,894.40

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Solution

The fourth proportional to 410,833.60, 616,250.40 and 144,894.40 is: 217,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,833.60 : 616,250.40 = 144,894.40 : x
  2. Step 2: Convert to fraction form
    410,833.60/616,250.40 = 144,894.40/x
  3. Step 3: Cross multiply
    410,833.60x = 616,250.40 × 144,894.40
  4. Step 4: Simplify right side
    410,833.60x = 89,291,231,957.76
  5. Step 5: Solve for x
    x = 89,291,231,957.76/410,833.60
  6. Step 6: Final answer
    x = 217,341.60

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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.