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Finding the Fourth Proportional to 607,964.59, 912,414.35 and 576,745.16

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Solution

The fourth proportional to 607,964.59, 912,414.35 and 576,745.16 is: 865,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,964.59 : 912,414.35 = 576,745.16 : x
  2. Step 2: Convert to fraction form
    607,964.59/912,414.35 = 576,745.16/x
  3. Step 3: Cross multiply
    607,964.59x = 912,414.35 × 576,745.16
  4. Step 4: Simplify right side
    607,964.59x = 526,230,560,667.07
  5. Step 5: Solve for x
    x = 526,230,560,667.07/607,964.59
  6. Step 6: Final answer
    x = 865,561.21

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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.