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Finding the Fourth Proportional to 635,044.60, 876,358.47 and 348,569.56

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Solution

The fourth proportional to 635,044.60, 876,358.47 and 348,569.56 is: 481,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,044.60 : 876,358.47 = 348,569.56 : x
  2. Step 2: Convert to fraction form
    635,044.60/876,358.47 = 348,569.56/x
  3. Step 3: Cross multiply
    635,044.60x = 876,358.47 × 348,569.56
  4. Step 4: Simplify right side
    635,044.60x = 305,471,886,290.17
  5. Step 5: Solve for x
    x = 305,471,886,290.17/635,044.60
  6. Step 6: Final answer
    x = 481,024.30

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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.