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Finding the Fourth Proportional to 635,348.56, 876,794.88 and 348,880.72

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Solution

The fourth proportional to 635,348.56, 876,794.88 and 348,880.72 is: 481,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,348.56 : 876,794.88 = 348,880.72 : x
  2. Step 2: Convert to fraction form
    635,348.56/876,794.88 = 348,880.72/x
  3. Step 3: Cross multiply
    635,348.56x = 876,794.88 × 348,880.72
  4. Step 4: Simplify right side
    635,348.56x = 305,896,829,026.71
  5. Step 5: Solve for x
    x = 305,896,829,026.71/635,348.56
  6. Step 6: Final answer
    x = 481,463.01

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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.