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Finding the Fourth Proportional to 347,697.60, 521,392.80 and 160,766.40

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Solution

The fourth proportional to 347,697.60, 521,392.80 and 160,766.40 is: 241,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,697.60 : 521,392.80 = 160,766.40 : x
  2. Step 2: Convert to fraction form
    347,697.60/521,392.80 = 160,766.40/x
  3. Step 3: Cross multiply
    347,697.60x = 521,392.80 × 160,766.40
  4. Step 4: Simplify right side
    347,697.60x = 83,822,443,441.92
  5. Step 5: Solve for x
    x = 83,822,443,441.92/347,697.60
  6. Step 6: Final answer
    x = 241,078.58

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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.