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Finding the Fourth Proportional to 503,053.25, 754,497.83 and 147,984.21

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Solution

The fourth proportional to 503,053.25, 754,497.83 and 147,984.21 is: 221,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,053.25 : 754,497.83 = 147,984.21 : x
  2. Step 2: Convert to fraction form
    503,053.25/754,497.83 = 147,984.21/x
  3. Step 3: Cross multiply
    503,053.25x = 754,497.83 × 147,984.21
  4. Step 4: Simplify right side
    503,053.25x = 111,653,764,579.34
  5. Step 5: Solve for x
    x = 111,653,764,579.34/503,053.25
  6. Step 6: Final answer
    x = 221,952.18

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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.