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Finding the Fourth Proportional to 623,807.10, 935,702.01 and 150,488.46

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Solution

The fourth proportional to 623,807.10, 935,702.01 and 150,488.46 is: 225,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,807.10 : 935,702.01 = 150,488.46 : x
  2. Step 2: Convert to fraction form
    623,807.10/935,702.01 = 150,488.46/x
  3. Step 3: Cross multiply
    623,807.10x = 935,702.01 × 150,488.46
  4. Step 4: Simplify right side
    623,807.10x = 140,812,354,503.81
  5. Step 5: Solve for x
    x = 140,812,354,503.81/623,807.10
  6. Step 6: Final answer
    x = 225,730.61

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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.