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Finding the Fourth Proportional to 304,610.60, 420,230.46 and 183,684.76

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Solution

The fourth proportional to 304,610.60, 420,230.46 and 183,684.76 is: 253,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,610.60 : 420,230.46 = 183,684.76 : x
  2. Step 2: Convert to fraction form
    304,610.60/420,230.46 = 183,684.76/x
  3. Step 3: Cross multiply
    304,610.60x = 420,230.46 × 183,684.76
  4. Step 4: Simplify right side
    304,610.60x = 77,189,931,641.99
  5. Step 5: Solve for x
    x = 77,189,931,641.99/304,610.60
  6. Step 6: Final answer
    x = 253,405.27

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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.