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Finding the Fourth Proportional to 635,059.56, 876,392.12 and 348,605.76

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Solution

The fourth proportional to 635,059.56, 876,392.12 and 348,605.76 is: 481,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,059.56 : 876,392.12 = 348,605.76 : x
  2. Step 2: Convert to fraction form
    635,059.56/876,392.12 = 348,605.76/x
  3. Step 3: Cross multiply
    635,059.56x = 876,392.12 × 348,605.76
  4. Step 4: Simplify right side
    635,059.56x = 305,515,341,050.61
  5. Step 5: Solve for x
    x = 305,515,341,050.61/635,059.56
  6. Step 6: Final answer
    x = 481,081.40

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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.