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Finding the Fourth Proportional to 657,591.60, 986,095.80 and 302,714.40

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Solution

The fourth proportional to 657,591.60, 986,095.80 and 302,714.40 is: 453,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,591.60 : 986,095.80 = 302,714.40 : x
  2. Step 2: Convert to fraction form
    657,591.60/986,095.80 = 302,714.40/x
  3. Step 3: Cross multiply
    657,591.60x = 986,095.80 × 302,714.40
  4. Step 4: Simplify right side
    657,591.60x = 298,505,398,439.52
  5. Step 5: Solve for x
    x = 298,505,398,439.52/657,591.60
  6. Step 6: Final answer
    x = 453,937.37

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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.