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Finding the Fourth Proportional to 319,234.53, 478,856.52 and 94,617.75

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Solution

The fourth proportional to 319,234.53, 478,856.52 and 94,617.75 is: 141,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,234.53 : 478,856.52 = 94,617.75 : x
  2. Step 2: Convert to fraction form
    319,234.53/478,856.52 = 94,617.75/x
  3. Step 3: Cross multiply
    319,234.53x = 478,856.52 × 94,617.75
  4. Step 4: Simplify right side
    319,234.53x = 45,308,326,495.23
  5. Step 5: Solve for x
    x = 45,308,326,495.23/319,234.53
  6. Step 6: Final answer
    x = 141,928.03

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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.