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Finding the Fourth Proportional to 304,731.61, 457,217.70 and 94,385.95

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Solution

The fourth proportional to 304,731.61, 457,217.70 and 94,385.95 is: 141,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,731.61 : 457,217.70 = 94,385.95 : x
  2. Step 2: Convert to fraction form
    304,731.61/457,217.70 = 94,385.95/x
  3. Step 3: Cross multiply
    304,731.61x = 457,217.70 × 94,385.95
  4. Step 4: Simplify right side
    304,731.61x = 43,154,926,971.32
  5. Step 5: Solve for x
    x = 43,154,926,971.32/304,731.61
  6. Step 6: Final answer
    x = 141,616.18

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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.