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Finding the Fourth Proportional to 676,109.58, 932,995.70 and 370,127.32

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Solution

The fourth proportional to 676,109.58, 932,995.70 and 370,127.32 is: 510,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,109.58 : 932,995.70 = 370,127.32 : x
  2. Step 2: Convert to fraction form
    676,109.58/932,995.70 = 370,127.32/x
  3. Step 3: Cross multiply
    676,109.58x = 932,995.70 × 370,127.32
  4. Step 4: Simplify right side
    676,109.58x = 345,327,195,217.38
  5. Step 5: Solve for x
    x = 345,327,195,217.38/676,109.58
  6. Step 6: Final answer
    x = 510,756.26

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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.