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Finding the Fourth Proportional to 662,493.60, 914,240.16 and 360,687.36

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Solution

The fourth proportional to 662,493.60, 914,240.16 and 360,687.36 is: 497,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,493.60 : 914,240.16 = 360,687.36 : x
  2. Step 2: Convert to fraction form
    662,493.60/914,240.16 = 360,687.36/x
  3. Step 3: Cross multiply
    662,493.60x = 914,240.16 × 360,687.36
  4. Step 4: Simplify right side
    662,493.60x = 329,754,869,716.38
  5. Step 5: Solve for x
    x = 329,754,869,716.38/662,493.60
  6. Step 6: Final answer
    x = 497,748.01

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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.