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Finding the Fourth Proportional to 374,667.80, 562,001.70 and 121,972.10

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Solution

The fourth proportional to 374,667.80, 562,001.70 and 121,972.10 is: 182,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,667.80 : 562,001.70 = 121,972.10 : x
  2. Step 2: Convert to fraction form
    374,667.80/562,001.70 = 121,972.10/x
  3. Step 3: Cross multiply
    374,667.80x = 562,001.70 × 121,972.10
  4. Step 4: Simplify right side
    374,667.80x = 68,548,527,552.57
  5. Step 5: Solve for x
    x = 68,548,527,552.57/374,667.80
  6. Step 6: Final answer
    x = 182,958.15

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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.