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Finding the Fourth Proportional to 434,681.34, 651,966.57 and 168,259.56

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Solution

The fourth proportional to 434,681.34, 651,966.57 and 168,259.56 is: 252,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,681.34 : 651,966.57 = 168,259.56 : x
  2. Step 2: Convert to fraction form
    434,681.34/651,966.57 = 168,259.56/x
  3. Step 3: Cross multiply
    434,681.34x = 651,966.57 × 168,259.56
  4. Step 4: Simplify right side
    434,681.34x = 109,699,608,202.91
  5. Step 5: Solve for x
    x = 109,699,608,202.91/434,681.34
  6. Step 6: Final answer
    x = 252,367.88

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1.5x scale

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.