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Finding the Fourth Proportional to 319,182.22, 478,626.18 and 94,462.30

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Solution

The fourth proportional to 319,182.22, 478,626.18 and 94,462.30 is: 141,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,182.22 : 478,626.18 = 94,462.30 : x
  2. Step 2: Convert to fraction form
    319,182.22/478,626.18 = 94,462.30/x
  3. Step 3: Cross multiply
    319,182.22x = 478,626.18 × 94,462.30
  4. Step 4: Simplify right side
    319,182.22x = 45,212,129,803.01
  5. Step 5: Solve for x
    x = 45,212,129,803.01/319,182.22
  6. Step 6: Final answer
    x = 141,649.90

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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.