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Finding the Fourth Proportional to 374,073.40, 561,110.10 and 307,588.60

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Solution

The fourth proportional to 374,073.40, 561,110.10 and 307,588.60 is: 461,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,073.40 : 561,110.10 = 307,588.60 : x
  2. Step 2: Convert to fraction form
    374,073.40/561,110.10 = 307,588.60/x
  3. Step 3: Cross multiply
    374,073.40x = 561,110.10 × 307,588.60
  4. Step 4: Simplify right side
    374,073.40x = 172,591,070,104.86
  5. Step 5: Solve for x
    x = 172,591,070,104.86/374,073.40
  6. Step 6: Final answer
    x = 461,382.90

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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.