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Finding the Fourth Proportional to 229,873.20, 344,153.70 and 223,312.20

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Solution

The fourth proportional to 229,873.20, 344,153.70 and 223,312.20 is: 334,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,873.20 : 344,153.70 = 223,312.20 : x
  2. Step 2: Convert to fraction form
    229,873.20/344,153.70 = 223,312.20/x
  3. Step 3: Cross multiply
    229,873.20x = 344,153.70 × 223,312.20
  4. Step 4: Simplify right side
    229,873.20x = 76,853,719,885.14
  5. Step 5: Solve for x
    x = 76,853,719,885.14/229,873.20
  6. Step 6: Final answer
    x = 334,330.93

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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.