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Finding the Fourth Proportional to 265,145.47, 365,908.43 and 144,294.55

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Solution

The fourth proportional to 265,145.47, 365,908.43 and 144,294.55 is: 199,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,145.47 : 365,908.43 = 144,294.55 : x
  2. Step 2: Convert to fraction form
    265,145.47/365,908.43 = 144,294.55/x
  3. Step 3: Cross multiply
    265,145.47x = 365,908.43 × 144,294.55
  4. Step 4: Simplify right side
    265,145.47x = 52,798,591,694.02
  5. Step 5: Solve for x
    x = 52,798,591,694.02/265,145.47
  6. Step 6: Final answer
    x = 199,130.66

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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.