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Finding the Fourth Proportional to 476,440.62, 714,641.13 and 121,463.34

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Solution

The fourth proportional to 476,440.62, 714,641.13 and 121,463.34 is: 182,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,440.62 : 714,641.13 = 121,463.34 : x
  2. Step 2: Convert to fraction form
    476,440.62/714,641.13 = 121,463.34/x
  3. Step 3: Cross multiply
    476,440.62x = 714,641.13 × 121,463.34
  4. Step 4: Simplify right side
    476,440.62x = 86,802,698,551.17
  5. Step 5: Solve for x
    x = 86,802,698,551.17/476,440.62
  6. Step 6: Final answer
    x = 182,189.96

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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.