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Finding the Fourth Proportional to 676,110, 932,996.32 and 370,127.72

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Solution

The fourth proportional to 676,110, 932,996.32 and 370,127.72 is: 510,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,110 : 932,996.32 = 370,127.72 : x
  2. Step 2: Convert to fraction form
    676,110/932,996.32 = 370,127.72/x
  3. Step 3: Cross multiply
    676,110x = 932,996.32 × 370,127.72
  4. Step 4: Simplify right side
    676,110x = 345,327,800,689.99
  5. Step 5: Solve for x
    x = 345,327,800,689.99/676,110
  6. Step 6: Final answer
    x = 510,756.83

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1.5x scale

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.