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Finding the Fourth Proportional to 363,376.80, 545,000.40 and 230,018.40

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Solution

The fourth proportional to 363,376.80, 545,000.40 and 230,018.40 is: 344,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,376.80 : 545,000.40 = 230,018.40 : x
  2. Step 2: Convert to fraction form
    363,376.80/545,000.40 = 230,018.40/x
  3. Step 3: Cross multiply
    363,376.80x = 545,000.40 × 230,018.40
  4. Step 4: Simplify right side
    363,376.80x = 125,360,120,007.36
  5. Step 5: Solve for x
    x = 125,360,120,007.36/363,376.80
  6. Step 6: Final answer
    x = 344,986.58

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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.