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Finding the Fourth Proportional to 288,461.66, 432,699.17 and 98,920.44

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Solution

The fourth proportional to 288,461.66, 432,699.17 and 98,920.44 is: 148,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,461.66 : 432,699.17 = 98,920.44 : x
  2. Step 2: Convert to fraction form
    288,461.66/432,699.17 = 98,920.44/x
  3. Step 3: Cross multiply
    288,461.66x = 432,699.17 × 98,920.44
  4. Step 4: Simplify right side
    288,461.66x = 42,802,791,789.43
  5. Step 5: Solve for x
    x = 42,802,791,789.43/288,461.66
  6. Step 6: Final answer
    x = 148,382.95

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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.