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Finding the Fourth Proportional to 503,465.40, 755,198.10 and 484,111.80

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Solution

The fourth proportional to 503,465.40, 755,198.10 and 484,111.80 is: 726,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,465.40 : 755,198.10 = 484,111.80 : x
  2. Step 2: Convert to fraction form
    503,465.40/755,198.10 = 484,111.80/x
  3. Step 3: Cross multiply
    503,465.40x = 755,198.10 × 484,111.80
  4. Step 4: Simplify right side
    503,465.40x = 365,600,311,547.58
  5. Step 5: Solve for x
    x = 365,600,311,547.58/503,465.40
  6. Step 6: Final answer
    x = 726,167.70

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Similar ratio
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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.