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Finding the Fourth Proportional to 695,860.62, 960,271.35 and 409,399.14

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Solution

The fourth proportional to 695,860.62, 960,271.35 and 409,399.14 is: 564,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,860.62 : 960,271.35 = 409,399.14 : x
  2. Step 2: Convert to fraction form
    695,860.62/960,271.35 = 409,399.14/x
  3. Step 3: Cross multiply
    695,860.62x = 960,271.35 × 409,399.14
  4. Step 4: Simplify right side
    695,860.62x = 393,134,264,856.64
  5. Step 5: Solve for x
    x = 393,134,264,856.64/695,860.62
  6. Step 6: Final answer
    x = 564,961.22

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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.