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Finding the Fourth Proportional to 676,006.91, 932,888.09 and 370,080.80

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Solution

The fourth proportional to 676,006.91, 932,888.09 and 370,080.80 is: 510,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,006.91 : 932,888.09 = 370,080.80 : x
  2. Step 2: Convert to fraction form
    676,006.91/932,888.09 = 370,080.80/x
  3. Step 3: Cross multiply
    676,006.91x = 932,888.09 × 370,080.80
  4. Step 4: Simplify right side
    676,006.91x = 345,243,972,989.89
  5. Step 5: Solve for x
    x = 345,243,972,989.89/676,006.91
  6. Step 6: Final answer
    x = 510,710.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.