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Finding the Fourth Proportional to 253,418.01, 349,756.12 and 144,522.58

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Solution

The fourth proportional to 253,418.01, 349,756.12 and 144,522.58 is: 199,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,418.01 : 349,756.12 = 144,522.58 : x
  2. Step 2: Convert to fraction form
    253,418.01/349,756.12 = 144,522.58/x
  3. Step 3: Cross multiply
    253,418.01x = 349,756.12 × 144,522.58
  4. Step 4: Simplify right side
    253,418.01x = 50,547,656,833.19
  5. Step 5: Solve for x
    x = 50,547,656,833.19/253,418.01
  6. Step 6: Final answer
    x = 199,463.55

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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.