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Finding the Fourth Proportional to 611,527.28, 917,184.29 and 162,293.57

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Solution

The fourth proportional to 611,527.28, 917,184.29 and 162,293.57 is: 243,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,527.28 : 917,184.29 = 162,293.57 : x
  2. Step 2: Convert to fraction form
    611,527.28/917,184.29 = 162,293.57/x
  3. Step 3: Cross multiply
    611,527.28x = 917,184.29 × 162,293.57
  4. Step 4: Simplify right side
    611,527.28x = 148,853,108,186.09
  5. Step 5: Solve for x
    x = 148,853,108,186.09/611,527.28
  6. Step 6: Final answer
    x = 243,412.05

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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.