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Finding the Fourth Proportional to 577,272.60, 865,908.90 and 177,877.80

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Solution

The fourth proportional to 577,272.60, 865,908.90 and 177,877.80 is: 266,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,272.60 : 865,908.90 = 177,877.80 : x
  2. Step 2: Convert to fraction form
    577,272.60/865,908.90 = 177,877.80/x
  3. Step 3: Cross multiply
    577,272.60x = 865,908.90 × 177,877.80
  4. Step 4: Simplify right side
    577,272.60x = 154,025,970,132.42
  5. Step 5: Solve for x
    x = 154,025,970,132.42/577,272.60
  6. Step 6: Final answer
    x = 266,816.70

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Similar ratio
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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.