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Finding the Fourth Proportional to 497,270.60, 745,905.90 and 248,438.60

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Solution

The fourth proportional to 497,270.60, 745,905.90 and 248,438.60 is: 372,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,270.60 : 745,905.90 = 248,438.60 : x
  2. Step 2: Convert to fraction form
    497,270.60/745,905.90 = 248,438.60/x
  3. Step 3: Cross multiply
    497,270.60x = 745,905.90 × 248,438.60
  4. Step 4: Simplify right side
    497,270.60x = 185,311,817,527.74
  5. Step 5: Solve for x
    x = 185,311,817,527.74/497,270.60
  6. Step 6: Final answer
    x = 372,657.90

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Similar ratio
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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.