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Finding the Fourth Proportional to 625,316.07, 937,891.07 and 176,071.97

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Solution

The fourth proportional to 625,316.07, 937,891.07 and 176,071.97 is: 264,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,316.07 : 937,891.07 = 176,071.97 : x
  2. Step 2: Convert to fraction form
    625,316.07/937,891.07 = 176,071.97/x
  3. Step 3: Cross multiply
    625,316.07x = 937,891.07 × 176,071.97
  4. Step 4: Simplify right side
    625,316.07x = 165,136,328,340.31
  5. Step 5: Solve for x
    x = 165,136,328,340.31/625,316.07
  6. Step 6: Final answer
    x = 264,084.57

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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.