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Finding the Fourth Proportional to 659,795.60, 988,818.60 and 584,562.80

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Solution

The fourth proportional to 659,795.60, 988,818.60 and 584,562.80 is: 876,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,795.60 : 988,818.60 = 584,562.80 : x
  2. Step 2: Convert to fraction form
    659,795.60/988,818.60 = 584,562.80/x
  3. Step 3: Cross multiply
    659,795.60x = 988,818.60 × 584,562.80
  4. Step 4: Simplify right side
    659,795.60x = 578,026,569,508.08
  5. Step 5: Solve for x
    x = 578,026,569,508.08/659,795.60
  6. Step 6: Final answer
    x = 876,069.15

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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.