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Finding the Fourth Proportional to 374,448.40, 561,672.60 and 360,451.60

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Solution

The fourth proportional to 374,448.40, 561,672.60 and 360,451.60 is: 540,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,448.40 : 561,672.60 = 360,451.60 : x
  2. Step 2: Convert to fraction form
    374,448.40/561,672.60 = 360,451.60/x
  3. Step 3: Cross multiply
    374,448.40x = 561,672.60 × 360,451.60
  4. Step 4: Simplify right side
    374,448.40x = 202,455,787,346.16
  5. Step 5: Solve for x
    x = 202,455,787,346.16/374,448.40
  6. Step 6: Final answer
    x = 540,677.40

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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.