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Finding the Fourth Proportional to 499,281.60, 748,922.40 and 374,865.60

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Solution

The fourth proportional to 499,281.60, 748,922.40 and 374,865.60 is: 562,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,281.60 : 748,922.40 = 374,865.60 : x
  2. Step 2: Convert to fraction form
    499,281.60/748,922.40 = 374,865.60/x
  3. Step 3: Cross multiply
    499,281.60x = 748,922.40 × 374,865.60
  4. Step 4: Simplify right side
    499,281.60x = 280,745,244,829.44
  5. Step 5: Solve for x
    x = 280,745,244,829.44/499,281.60
  6. Step 6: Final answer
    x = 562,298.40

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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.