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Finding the Fourth Proportional to 319,230.88, 478,853.60 and 94,587.10

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Solution

The fourth proportional to 319,230.88, 478,853.60 and 94,587.10 is: 141,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,230.88 : 478,853.60 = 94,587.10 : x
  2. Step 2: Convert to fraction form
    319,230.88/478,853.60 = 94,587.10/x
  3. Step 3: Cross multiply
    319,230.88x = 478,853.60 × 94,587.10
  4. Step 4: Simplify right side
    319,230.88x = 45,293,373,348.56
  5. Step 5: Solve for x
    x = 45,293,373,348.56/319,230.88
  6. Step 6: Final answer
    x = 141,882.81

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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.