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Finding the Fourth Proportional to 586,273.60, 878,818.36 and 282,221.20

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Solution

The fourth proportional to 586,273.60, 878,818.36 and 282,221.20 is: 423,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,273.60 : 878,818.36 = 282,221.20 : x
  2. Step 2: Convert to fraction form
    586,273.60/878,818.36 = 282,221.20/x
  3. Step 3: Cross multiply
    586,273.60x = 878,818.36 × 282,221.20
  4. Step 4: Simplify right side
    586,273.60x = 248,021,172,141.23
  5. Step 5: Solve for x
    x = 248,021,172,141.23/586,273.60
  6. Step 6: Final answer
    x = 423,046.80

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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.