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Finding the Fourth Proportional to 487,530.74, 730,687.26 and 336,568.52

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Solution

The fourth proportional to 487,530.74, 730,687.26 and 336,568.52 is: 504,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,530.74 : 730,687.26 = 336,568.52 : x
  2. Step 2: Convert to fraction form
    487,530.74/730,687.26 = 336,568.52/x
  3. Step 3: Cross multiply
    487,530.74x = 730,687.26 × 336,568.52
  4. Step 4: Simplify right side
    487,530.74x = 245,926,329,681.06
  5. Step 5: Solve for x
    x = 245,926,329,681.06/487,530.74
  6. Step 6: Final answer
    x = 504,432.46

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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.