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Finding the Fourth Proportional to 363,369.45, 545,248.58 and 153,028.65

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Solution

The fourth proportional to 363,369.45, 545,248.58 and 153,028.65 is: 229,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,369.45 : 545,248.58 = 153,028.65 : x
  2. Step 2: Convert to fraction form
    363,369.45/545,248.58 = 153,028.65/x
  3. Step 3: Cross multiply
    363,369.45x = 545,248.58 × 153,028.65
  4. Step 4: Simplify right side
    363,369.45x = 83,438,653,346.67
  5. Step 5: Solve for x
    x = 83,438,653,346.67/363,369.45
  6. Step 6: Final answer
    x = 229,624.84

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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.