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Finding the Fourth Proportional to 374,444.80, 561,667.20 and 367,446.40

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Solution

The fourth proportional to 374,444.80, 561,667.20 and 367,446.40 is: 551,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,444.80 : 561,667.20 = 367,446.40 : x
  2. Step 2: Convert to fraction form
    374,444.80/561,667.20 = 367,446.40/x
  3. Step 3: Cross multiply
    374,444.80x = 561,667.20 × 367,446.40
  4. Step 4: Simplify right side
    374,444.80x = 206,382,590,638.08
  5. Step 5: Solve for x
    x = 206,382,590,638.08/374,444.80
  6. Step 6: Final answer
    x = 551,169.60

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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.