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Finding the Fourth Proportional to 305,363.70, 458,045.55 and 229,584.15

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Solution

The fourth proportional to 305,363.70, 458,045.55 and 229,584.15 is: 344,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,363.70 : 458,045.55 = 229,584.15 : x
  2. Step 2: Convert to fraction form
    305,363.70/458,045.55 = 229,584.15/x
  3. Step 3: Cross multiply
    305,363.70x = 458,045.55 × 229,584.15
  4. Step 4: Simplify right side
    305,363.70x = 105,159,998,258.03
  5. Step 5: Solve for x
    x = 105,159,998,258.03/305,363.70
  6. Step 6: Final answer
    x = 344,376.23

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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.