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Finding the Fourth Proportional to 676,007.65, 932,889.13 and 370,081.55

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Solution

The fourth proportional to 676,007.65, 932,889.13 and 370,081.55 is: 510,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,007.65 : 932,889.13 = 370,081.55 : x
  2. Step 2: Convert to fraction form
    676,007.65/932,889.13 = 370,081.55/x
  3. Step 3: Cross multiply
    676,007.65x = 932,889.13 × 370,081.55
  4. Step 4: Simplify right side
    676,007.65x = 345,245,055,208.55
  5. Step 5: Solve for x
    x = 345,245,055,208.55/676,007.65
  6. Step 6: Final answer
    x = 510,711.76

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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.