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Finding the Fourth Proportional to 466,065.18, 642,550.56 and 304,642.74

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Solution

The fourth proportional to 466,065.18, 642,550.56 and 304,642.74 is: 420,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,065.18 : 642,550.56 = 304,642.74 : x
  2. Step 2: Convert to fraction form
    466,065.18/642,550.56 = 304,642.74/x
  3. Step 3: Cross multiply
    466,065.18x = 642,550.56 × 304,642.74
  4. Step 4: Simplify right side
    466,065.18x = 195,748,363,186.93
  5. Step 5: Solve for x
    x = 195,748,363,186.93/466,065.18
  6. Step 6: Final answer
    x = 420,002.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.