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Finding the Fourth Proportional to 503,116.17, 754,679.51 and 148,136.91

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Solution

The fourth proportional to 503,116.17, 754,679.51 and 148,136.91 is: 222,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,116.17 : 754,679.51 = 148,136.91 : x
  2. Step 2: Convert to fraction form
    503,116.17/754,679.51 = 148,136.91/x
  3. Step 3: Cross multiply
    503,116.17x = 754,679.51 × 148,136.91
  4. Step 4: Simplify right side
    503,116.17x = 111,795,890,651.71
  5. Step 5: Solve for x
    x = 111,795,890,651.71/503,116.17
  6. Step 6: Final answer
    x = 222,206.91

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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.