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Finding the Fourth Proportional to 531,656.25, 797,482.54 and 132,296.95

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Solution

The fourth proportional to 531,656.25, 797,482.54 and 132,296.95 is: 198,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,656.25 : 797,482.54 = 132,296.95 : x
  2. Step 2: Convert to fraction form
    531,656.25/797,482.54 = 132,296.95/x
  3. Step 3: Cross multiply
    531,656.25x = 797,482.54 × 132,296.95
  4. Step 4: Simplify right side
    531,656.25x = 105,504,507,720.25
  5. Step 5: Solve for x
    x = 105,504,507,720.25/531,656.25
  6. Step 6: Final answer
    x = 198,444.97

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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.