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Finding the Fourth Proportional to 467,545.60, 700,281.60 and 186,918.40

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Solution

The fourth proportional to 467,545.60, 700,281.60 and 186,918.40 is: 279,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,545.60 : 700,281.60 = 186,918.40 : x
  2. Step 2: Convert to fraction form
    467,545.60/700,281.60 = 186,918.40/x
  3. Step 3: Cross multiply
    467,545.60x = 700,281.60 × 186,918.40
  4. Step 4: Simplify right side
    467,545.60x = 130,895,516,221.44
  5. Step 5: Solve for x
    x = 130,895,516,221.44/467,545.60
  6. Step 6: Final answer
    x = 279,963.10

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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.