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Finding the Fourth Proportional to 308,275.61, 462,402.98 and 108,590.77

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Solution

The fourth proportional to 308,275.61, 462,402.98 and 108,590.77 is: 162,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,275.61 : 462,402.98 = 108,590.77 : x
  2. Step 2: Convert to fraction form
    308,275.61/462,402.98 = 108,590.77/x
  3. Step 3: Cross multiply
    308,275.61x = 462,402.98 × 108,590.77
  4. Step 4: Simplify right side
    308,275.61x = 50,212,695,648.49
  5. Step 5: Solve for x
    x = 50,212,695,648.49/308,275.61
  6. Step 6: Final answer
    x = 162,882.48

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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.