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Finding the Fourth Proportional to 604,267.90, 906,402.08 and 154,988.78

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Solution

The fourth proportional to 604,267.90, 906,402.08 and 154,988.78 is: 232,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,267.90 : 906,402.08 = 154,988.78 : x
  2. Step 2: Convert to fraction form
    604,267.90/906,402.08 = 154,988.78/x
  3. Step 3: Cross multiply
    604,267.90x = 906,402.08 × 154,988.78
  4. Step 4: Simplify right side
    604,267.90x = 140,482,152,568.66
  5. Step 5: Solve for x
    x = 140,482,152,568.66/604,267.90
  6. Step 6: Final answer
    x = 232,483.23

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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.