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Finding the Fourth Proportional to 452,784.64, 679,488.92 and 186,545.56

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Solution

The fourth proportional to 452,784.64, 679,488.92 and 186,545.56 is: 279,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,784.64 : 679,488.92 = 186,545.56 : x
  2. Step 2: Convert to fraction form
    452,784.64/679,488.92 = 186,545.56/x
  3. Step 3: Cross multiply
    452,784.64x = 679,488.92 × 186,545.56
  4. Step 4: Simplify right side
    452,784.64x = 126,755,641,095.20
  5. Step 5: Solve for x
    x = 126,755,641,095.20/452,784.64
  6. Step 6: Final answer
    x = 279,946.87

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1.5x scale

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.