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Finding the Fourth Proportional to 604,267.71, 906,401.79 and 154,988.54

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Solution

The fourth proportional to 604,267.71, 906,401.79 and 154,988.54 is: 232,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,267.71 : 906,401.79 = 154,988.54 : x
  2. Step 2: Convert to fraction form
    604,267.71/906,401.79 = 154,988.54/x
  3. Step 3: Cross multiply
    604,267.71x = 906,401.79 × 154,988.54
  4. Step 4: Simplify right side
    604,267.71x = 140,481,890,085.49
  5. Step 5: Solve for x
    x = 140,481,890,085.49/604,267.71
  6. Step 6: Final answer
    x = 232,482.87

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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.