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Finding the Fourth Proportional to 634,798.42, 876,036.96 and 362,891.61

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Solution

The fourth proportional to 634,798.42, 876,036.96 and 362,891.61 is: 500,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,798.42 : 876,036.96 = 362,891.61 : x
  2. Step 2: Convert to fraction form
    634,798.42/876,036.96 = 362,891.61/x
  3. Step 3: Cross multiply
    634,798.42x = 876,036.96 × 362,891.61
  4. Step 4: Simplify right side
    634,798.42x = 317,906,466,119.04
  5. Step 5: Solve for x
    x = 317,906,466,119.04/634,798.42
  6. Step 6: Final answer
    x = 500,799.08

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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.