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Finding the Fourth Proportional to 635,192.28, 876,607.92 and 419,962.32

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Solution

The fourth proportional to 635,192.28, 876,607.92 and 419,962.32 is: 579,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,192.28 : 876,607.92 = 419,962.32 : x
  2. Step 2: Convert to fraction form
    635,192.28/876,607.92 = 419,962.32/x
  3. Step 3: Cross multiply
    635,192.28x = 876,607.92 × 419,962.32
  4. Step 4: Simplify right side
    635,192.28x = 368,142,295,813.57
  5. Step 5: Solve for x
    x = 368,142,295,813.57/635,192.28
  6. Step 6: Final answer
    x = 579,576.15

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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.