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Finding the Fourth Proportional to 474,691.52, 655,075.01 and 259,845.19

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Solution

The fourth proportional to 474,691.52, 655,075.01 and 259,845.19 is: 358,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,691.52 : 655,075.01 = 259,845.19 : x
  2. Step 2: Convert to fraction form
    474,691.52/655,075.01 = 259,845.19/x
  3. Step 3: Cross multiply
    474,691.52x = 655,075.01 × 259,845.19
  4. Step 4: Simplify right side
    474,691.52x = 170,218,090,437.70
  5. Step 5: Solve for x
    x = 170,218,090,437.70/474,691.52
  6. Step 6: Final answer
    x = 358,586.75

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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.