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Finding the Fourth Proportional to 532,654.55, 734,872.28 and 314,817.51

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Solution

The fourth proportional to 532,654.55, 734,872.28 and 314,817.51 is: 434,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,654.55 : 734,872.28 = 314,817.51 : x
  2. Step 2: Convert to fraction form
    532,654.55/734,872.28 = 314,817.51/x
  3. Step 3: Cross multiply
    532,654.55x = 734,872.28 × 314,817.51
  4. Step 4: Simplify right side
    532,654.55x = 231,350,661,357.62
  5. Step 5: Solve for x
    x = 231,350,661,357.62/532,654.55
  6. Step 6: Final answer
    x = 434,335.28

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1.5x scale

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.