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Finding the Fourth Proportional to 657,672.20, 986,508.30 and 184,437.80

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Solution

The fourth proportional to 657,672.20, 986,508.30 and 184,437.80 is: 276,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,672.20 : 986,508.30 = 184,437.80 : x
  2. Step 2: Convert to fraction form
    657,672.20/986,508.30 = 184,437.80/x
  3. Step 3: Cross multiply
    657,672.20x = 986,508.30 × 184,437.80
  4. Step 4: Simplify right side
    657,672.20x = 181,949,420,533.74
  5. Step 5: Solve for x
    x = 181,949,420,533.74/657,672.20
  6. Step 6: Final answer
    x = 276,656.70

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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.