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Finding the Fourth Proportional to 614,627.68, 917,843.96 and 583,134.88

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Solution

The fourth proportional to 614,627.68, 917,843.96 and 583,134.88 is: 870,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,627.68 : 917,843.96 = 583,134.88 : x
  2. Step 2: Convert to fraction form
    614,627.68/917,843.96 = 583,134.88/x
  3. Step 3: Cross multiply
    614,627.68x = 917,843.96 × 583,134.88
  4. Step 4: Simplify right side
    614,627.68x = 535,226,827,473.33
  5. Step 5: Solve for x
    x = 535,226,827,473.33/614,627.68
  6. Step 6: Final answer
    x = 870,814.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.