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Finding the Fourth Proportional to 279,240.99, 418,465.52 and 116,960.22

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Solution

The fourth proportional to 279,240.99, 418,465.52 and 116,960.22 is: 175,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,240.99 : 418,465.52 = 116,960.22 : x
  2. Step 2: Convert to fraction form
    279,240.99/418,465.52 = 116,960.22/x
  3. Step 3: Cross multiply
    279,240.99x = 418,465.52 × 116,960.22
  4. Step 4: Simplify right side
    279,240.99x = 48,943,817,041.06
  5. Step 5: Solve for x
    x = 48,943,817,041.06/279,240.99
  6. Step 6: Final answer
    x = 175,274.47

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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.