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Finding the Fourth Proportional to 265,735.53, 398,392.80 and 132,547.23

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Solution

The fourth proportional to 265,735.53, 398,392.80 and 132,547.23 is: 198,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,735.53 : 398,392.80 = 132,547.23 : x
  2. Step 2: Convert to fraction form
    265,735.53/398,392.80 = 132,547.23/x
  3. Step 3: Cross multiply
    265,735.53x = 398,392.80 × 132,547.23
  4. Step 4: Simplify right side
    265,735.53x = 52,805,863,087.93
  5. Step 5: Solve for x
    x = 52,805,863,087.93/265,735.53
  6. Step 6: Final answer
    x = 198,715.85

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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.