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Finding the Fourth Proportional to 635,228.57, 876,604.49 and 348,746.60

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Solution

The fourth proportional to 635,228.57, 876,604.49 and 348,746.60 is: 481,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,228.57 : 876,604.49 = 348,746.60 : x
  2. Step 2: Convert to fraction form
    635,228.57/876,604.49 = 348,746.60/x
  3. Step 3: Cross multiply
    635,228.57x = 876,604.49 × 348,746.60
  4. Step 4: Simplify right side
    635,228.57x = 305,712,835,432.23
  5. Step 5: Solve for x
    x = 305,712,835,432.23/635,228.57
  6. Step 6: Final answer
    x = 481,264.30

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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.