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Finding the Fourth Proportional to 319,250.76, 440,545.86 and 176,011.80

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Solution

The fourth proportional to 319,250.76, 440,545.86 and 176,011.80 is: 242,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,250.76 : 440,545.86 = 176,011.80 : x
  2. Step 2: Convert to fraction form
    319,250.76/440,545.86 = 176,011.80/x
  3. Step 3: Cross multiply
    319,250.76x = 440,545.86 × 176,011.80
  4. Step 4: Simplify right side
    319,250.76x = 77,541,269,801.15
  5. Step 5: Solve for x
    x = 77,541,269,801.15/319,250.76
  6. Step 6: Final answer
    x = 242,885.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.