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Finding the Fourth Proportional to 374,343.93, 561,454.38 and 134,408.16

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Solution

The fourth proportional to 374,343.93, 561,454.38 and 134,408.16 is: 201,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,343.93 : 561,454.38 = 134,408.16 : x
  2. Step 2: Convert to fraction form
    374,343.93/561,454.38 = 134,408.16/x
  3. Step 3: Cross multiply
    374,343.93x = 561,454.38 × 134,408.16
  4. Step 4: Simplify right side
    374,343.93x = 75,464,050,139.74
  5. Step 5: Solve for x
    x = 75,464,050,139.74/374,343.93
  6. Step 6: Final answer
    x = 201,590.15

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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.