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Finding the Fourth Proportional to 360,374.20, 540,561.30 and 173,404.60

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Solution

The fourth proportional to 360,374.20, 540,561.30 and 173,404.60 is: 260,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,374.20 : 540,561.30 = 173,404.60 : x
  2. Step 2: Convert to fraction form
    360,374.20/540,561.30 = 173,404.60/x
  3. Step 3: Cross multiply
    360,374.20x = 540,561.30 × 173,404.60
  4. Step 4: Simplify right side
    360,374.20x = 93,735,816,001.98
  5. Step 5: Solve for x
    x = 93,735,816,001.98/360,374.20
  6. Step 6: Final answer
    x = 260,106.90

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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.