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Finding the Fourth Proportional to 471,002.55, 706,614.08 and 155,459.15

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Solution

The fourth proportional to 471,002.55, 706,614.08 and 155,459.15 is: 233,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,002.55 : 706,614.08 = 155,459.15 : x
  2. Step 2: Convert to fraction form
    471,002.55/706,614.08 = 155,459.15/x
  3. Step 3: Cross multiply
    471,002.55x = 706,614.08 × 155,459.15
  4. Step 4: Simplify right side
    471,002.55x = 109,849,619,944.47
  5. Step 5: Solve for x
    x = 109,849,619,944.47/471,002.55
  6. Step 6: Final answer
    x = 233,225.11

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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.