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Finding the Fourth Proportional to 264,706.28, 365,275.47 and 149,987.19

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Solution

The fourth proportional to 264,706.28, 365,275.47 and 149,987.19 is: 206,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,706.28 : 365,275.47 = 149,987.19 : x
  2. Step 2: Convert to fraction form
    264,706.28/365,275.47 = 149,987.19/x
  3. Step 3: Cross multiply
    264,706.28x = 365,275.47 × 149,987.19
  4. Step 4: Simplify right side
    264,706.28x = 54,786,643,253.46
  5. Step 5: Solve for x
    x = 54,786,643,253.46/264,706.28
  6. Step 6: Final answer
    x = 206,971.45

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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.