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Finding the Fourth Proportional to 374,100.72, 561,151.08 and 187,068.48

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Solution

The fourth proportional to 374,100.72, 561,151.08 and 187,068.48 is: 280,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,100.72 : 561,151.08 = 187,068.48 : x
  2. Step 2: Convert to fraction form
    374,100.72/561,151.08 = 187,068.48/x
  3. Step 3: Cross multiply
    374,100.72x = 561,151.08 × 187,068.48
  4. Step 4: Simplify right side
    374,100.72x = 104,973,679,585.96
  5. Step 5: Solve for x
    x = 104,973,679,585.96/374,100.72
  6. Step 6: Final answer
    x = 280,602.72

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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.