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Finding the Fourth Proportional to 303,423.60, 454,625.10 and 240,000.60

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Solution

The fourth proportional to 303,423.60, 454,625.10 and 240,000.60 is: 359,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,423.60 : 454,625.10 = 240,000.60 : x
  2. Step 2: Convert to fraction form
    303,423.60/454,625.10 = 240,000.60/x
  3. Step 3: Cross multiply
    303,423.60x = 454,625.10 × 240,000.60
  4. Step 4: Simplify right side
    303,423.60x = 109,110,296,775.06
  5. Step 5: Solve for x
    x = 109,110,296,775.06/303,423.60
  6. Step 6: Final answer
    x = 359,597.27

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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.