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Finding the Fourth Proportional to 473,631.84, 710,453.28 and 136,679.04

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Solution

The fourth proportional to 473,631.84, 710,453.28 and 136,679.04 is: 205,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,631.84 : 710,453.28 = 136,679.04 : x
  2. Step 2: Convert to fraction form
    473,631.84/710,453.28 = 136,679.04/x
  3. Step 3: Cross multiply
    473,631.84x = 710,453.28 × 136,679.04
  4. Step 4: Simplify right side
    473,631.84x = 97,104,072,275.25
  5. Step 5: Solve for x
    x = 97,104,072,275.25/473,631.84
  6. Step 6: Final answer
    x = 205,020.15

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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.