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Finding the Fourth Proportional to 453,242.62, 679,871.78 and 153,730.95

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Solution

The fourth proportional to 453,242.62, 679,871.78 and 153,730.95 is: 230,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,242.62 : 679,871.78 = 153,730.95 : x
  2. Step 2: Convert to fraction form
    453,242.62/679,871.78 = 153,730.95/x
  3. Step 3: Cross multiply
    453,242.62x = 679,871.78 × 153,730.95
  4. Step 4: Simplify right side
    453,242.62x = 104,517,331,875.91
  5. Step 5: Solve for x
    x = 104,517,331,875.91/453,242.62
  6. Step 6: Final answer
    x = 230,599.08

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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.