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Finding the Fourth Proportional to 555,943.02, 767,201.28 and 301,294.20

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Solution

The fourth proportional to 555,943.02, 767,201.28 and 301,294.20 is: 415,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,943.02 : 767,201.28 = 301,294.20 : x
  2. Step 2: Convert to fraction form
    555,943.02/767,201.28 = 301,294.20/x
  3. Step 3: Cross multiply
    555,943.02x = 767,201.28 × 301,294.20
  4. Step 4: Simplify right side
    555,943.02x = 231,153,295,896.58
  5. Step 5: Solve for x
    x = 231,153,295,896.58/555,943.02
  6. Step 6: Final answer
    x = 415,785.95

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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.