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Finding the Fourth Proportional to 374,402.10, 561,603.15 and 164,450.10

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Solution

The fourth proportional to 374,402.10, 561,603.15 and 164,450.10 is: 246,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,402.10 : 561,603.15 = 164,450.10 : x
  2. Step 2: Convert to fraction form
    374,402.10/561,603.15 = 164,450.10/x
  3. Step 3: Cross multiply
    374,402.10x = 561,603.15 × 164,450.10
  4. Step 4: Simplify right side
    374,402.10x = 92,355,694,177.82
  5. Step 5: Solve for x
    x = 92,355,694,177.82/374,402.10
  6. Step 6: Final answer
    x = 246,675.15

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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.