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Finding the Fourth Proportional to 451,490.88, 623,064.42 and 247,560.42

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Solution

The fourth proportional to 451,490.88, 623,064.42 and 247,560.42 is: 341,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,490.88 : 623,064.42 = 247,560.42 : x
  2. Step 2: Convert to fraction form
    451,490.88/623,064.42 = 247,560.42/x
  3. Step 3: Cross multiply
    451,490.88x = 623,064.42 × 247,560.42
  4. Step 4: Simplify right side
    451,490.88x = 154,246,089,502.26
  5. Step 5: Solve for x
    x = 154,246,089,502.26/451,490.88
  6. Step 6: Final answer
    x = 341,637.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.