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Finding the Fourth Proportional to 635,615.20, 952,960.40 and 298,482.08

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Solution

The fourth proportional to 635,615.20, 952,960.40 and 298,482.08 is: 447,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,615.20 : 952,960.40 = 298,482.08 : x
  2. Step 2: Convert to fraction form
    635,615.20/952,960.40 = 298,482.08/x
  3. Step 3: Cross multiply
    635,615.20x = 952,960.40 × 298,482.08
  4. Step 4: Simplify right side
    635,615.20x = 284,441,602,349.63
  5. Step 5: Solve for x
    x = 284,441,602,349.63/635,615.20
  6. Step 6: Final answer
    x = 447,505.98

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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.