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Finding the Fourth Proportional to 676,876.50, 934,089.57 and 375,070.50

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Solution

The fourth proportional to 676,876.50, 934,089.57 and 375,070.50 is: 517,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,876.50 : 934,089.57 = 375,070.50 : x
  2. Step 2: Convert to fraction form
    676,876.50/934,089.57 = 375,070.50/x
  3. Step 3: Cross multiply
    676,876.50x = 934,089.57 × 375,070.50
  4. Step 4: Simplify right side
    676,876.50x = 350,349,442,064.69
  5. Step 5: Solve for x
    x = 350,349,442,064.69/676,876.50
  6. Step 6: Final answer
    x = 517,597.29

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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.