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Finding the Fourth Proportional to 577,460.68, 866,190.78 and 156,798.28

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Solution

The fourth proportional to 577,460.68, 866,190.78 and 156,798.28 is: 235,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,460.68 : 866,190.78 = 156,798.28 : x
  2. Step 2: Convert to fraction form
    577,460.68/866,190.78 = 156,798.28/x
  3. Step 3: Cross multiply
    577,460.68x = 866,190.78 × 156,798.28
  4. Step 4: Simplify right side
    577,460.68x = 135,817,224,455.86
  5. Step 5: Solve for x
    x = 135,817,224,455.86/577,460.68
  6. Step 6: Final answer
    x = 235,197.35

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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.