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Finding the Fourth Proportional to 374,455.60, 561,683.40 and 108,224.80

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Solution

The fourth proportional to 374,455.60, 561,683.40 and 108,224.80 is: 162,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,455.60 : 561,683.40 = 108,224.80 : x
  2. Step 2: Convert to fraction form
    374,455.60/561,683.40 = 108,224.80/x
  3. Step 3: Cross multiply
    374,455.60x = 561,683.40 × 108,224.80
  4. Step 4: Simplify right side
    374,455.60x = 60,788,073,628.32
  5. Step 5: Solve for x
    x = 60,788,073,628.32/374,455.60
  6. Step 6: Final answer
    x = 162,337.20

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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.