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Finding the Fourth Proportional to 977,383.36, 1,348,721 and 541,796.52

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Solution

The fourth proportional to 977,383.36, 1,348,721 and 541,796.52 is: 747,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,383.36 : 1,348,721 = 541,796.52 : x
  2. Step 2: Convert to fraction form
    977,383.36/1,348,721 = 541,796.52/x
  3. Step 3: Cross multiply
    977,383.36x = 1,348,721 × 541,796.52
  4. Step 4: Simplify right side
    977,383.36x = 730,732,344,250.92
  5. Step 5: Solve for x
    x = 730,732,344,250.92/977,383.36
  6. Step 6: Final answer
    x = 747,641.48

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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.