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Finding the Fourth Proportional to 555,919.17, 767,169.12 and 301,270.36

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Solution

The fourth proportional to 555,919.17, 767,169.12 and 301,270.36 is: 415,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,919.17 : 767,169.12 = 301,270.36 : x
  2. Step 2: Convert to fraction form
    555,919.17/767,169.12 = 301,270.36/x
  3. Step 3: Cross multiply
    555,919.17x = 767,169.12 × 301,270.36
  4. Step 4: Simplify right side
    555,919.17x = 231,125,316,963.28
  5. Step 5: Solve for x
    x = 231,125,316,963.28/555,919.17
  6. Step 6: Final answer
    x = 415,753.46

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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.