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Finding the Fourth Proportional to 552,865.14, 763,189.30 and 371,682.16

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Solution

The fourth proportional to 552,865.14, 763,189.30 and 371,682.16 is: 513,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,865.14 : 763,189.30 = 371,682.16 : x
  2. Step 2: Convert to fraction form
    552,865.14/763,189.30 = 371,682.16/x
  3. Step 3: Cross multiply
    552,865.14x = 763,189.30 × 371,682.16
  4. Step 4: Simplify right side
    552,865.14x = 283,663,847,512.89
  5. Step 5: Solve for x
    x = 283,663,847,512.89/552,865.14
  6. Step 6: Final answer
    x = 513,079.64

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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.