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Finding the Fourth Proportional to 676,842.04, 934,079.34 and 375,029.56

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Solution

The fourth proportional to 676,842.04, 934,079.34 and 375,029.56 is: 517,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,842.04 : 934,079.34 = 375,029.56 : x
  2. Step 2: Convert to fraction form
    676,842.04/934,079.34 = 375,029.56/x
  3. Step 3: Cross multiply
    676,842.04x = 934,079.34 × 375,029.56
  4. Step 4: Simplify right side
    676,842.04x = 350,307,363,885.29
  5. Step 5: Solve for x
    x = 350,307,363,885.29/676,842.04
  6. Step 6: Final answer
    x = 517,561.47

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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.