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Finding the Fourth Proportional to 604,281.96, 906,423.09 and 155,002.70

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Solution

The fourth proportional to 604,281.96, 906,423.09 and 155,002.70 is: 232,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,281.96 : 906,423.09 = 155,002.70 : x
  2. Step 2: Convert to fraction form
    604,281.96/906,423.09 = 155,002.70/x
  3. Step 3: Cross multiply
    604,281.96x = 906,423.09 × 155,002.70
  4. Step 4: Simplify right side
    604,281.96x = 140,498,026,292.34
  5. Step 5: Solve for x
    x = 140,498,026,292.34/604,281.96
  6. Step 6: Final answer
    x = 232,504.09

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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.