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Finding the Fourth Proportional to 347,527.84, 521,257.20 and 160,536.64

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Solution

The fourth proportional to 347,527.84, 521,257.20 and 160,536.64 is: 240,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,527.84 : 521,257.20 = 160,536.64 : x
  2. Step 2: Convert to fraction form
    347,527.84/521,257.20 = 160,536.64/x
  3. Step 3: Cross multiply
    347,527.84x = 521,257.20 × 160,536.64
  4. Step 4: Simplify right side
    347,527.84x = 83,680,879,463.81
  5. Step 5: Solve for x
    x = 83,680,879,463.81/347,527.84
  6. Step 6: Final answer
    x = 240,789.00

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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.