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Finding the Fourth Proportional to 702,691.55, 969,714.13 and 380,401.41

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Solution

The fourth proportional to 702,691.55, 969,714.13 and 380,401.41 is: 524,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,691.55 : 969,714.13 = 380,401.41 : x
  2. Step 2: Convert to fraction form
    702,691.55/969,714.13 = 380,401.41/x
  3. Step 3: Cross multiply
    702,691.55x = 969,714.13 × 380,401.41
  4. Step 4: Simplify right side
    702,691.55x = 368,880,622,348.92
  5. Step 5: Solve for x
    x = 368,880,622,348.92/702,691.55
  6. Step 6: Final answer
    x = 524,953.83

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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.