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Finding the Fourth Proportional to 374,587, 561,881.04 and 152,971

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Solution

The fourth proportional to 374,587, 561,881.04 and 152,971 is: 229,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,587 : 561,881.04 = 152,971 : x
  2. Step 2: Convert to fraction form
    374,587/561,881.04 = 152,971/x
  3. Step 3: Cross multiply
    374,587x = 561,881.04 × 152,971
  4. Step 4: Simplify right side
    374,587x = 85,951,504,569.84
  5. Step 5: Solve for x
    x = 85,951,504,569.84/374,587
  6. Step 6: Final answer
    x = 229,456.72

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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.