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Finding the Fourth Proportional to 503,049.04, 754,491.55 and 147,980.02

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Solution

The fourth proportional to 503,049.04, 754,491.55 and 147,980.02 is: 221,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,049.04 : 754,491.55 = 147,980.02 : x
  2. Step 2: Convert to fraction form
    503,049.04/754,491.55 = 147,980.02/x
  3. Step 3: Cross multiply
    503,049.04x = 754,491.55 × 147,980.02
  4. Step 4: Simplify right side
    503,049.04x = 111,649,674,658.83
  5. Step 5: Solve for x
    x = 111,649,674,658.83/503,049.04
  6. Step 6: Final answer
    x = 221,945.91

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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.