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Finding the Fourth Proportional to 635,875.96, 953,981.62 and 369,380.30

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Solution

The fourth proportional to 635,875.96, 953,981.62 and 369,380.30 is: 554,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,875.96 : 953,981.62 = 369,380.30 : x
  2. Step 2: Convert to fraction form
    635,875.96/953,981.62 = 369,380.30/x
  3. Step 3: Cross multiply
    635,875.96x = 953,981.62 × 369,380.30
  4. Step 4: Simplify right side
    635,875.96x = 352,382,016,990.09
  5. Step 5: Solve for x
    x = 352,382,016,990.09/635,875.96
  6. Step 6: Final answer
    x = 554,167.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.