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Finding the Fourth Proportional to 423,000.90, 583,778.88 and 232,051.50

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Solution

The fourth proportional to 423,000.90, 583,778.88 and 232,051.50 is: 320,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,000.90 : 583,778.88 = 232,051.50 : x
  2. Step 2: Convert to fraction form
    423,000.90/583,778.88 = 232,051.50/x
  3. Step 3: Cross multiply
    423,000.90x = 583,778.88 × 232,051.50
  4. Step 4: Simplify right side
    423,000.90x = 135,466,764,772.32
  5. Step 5: Solve for x
    x = 135,466,764,772.32/423,000.90
  6. Step 6: Final answer
    x = 320,251.72

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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.