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Finding the Fourth Proportional to 319,188.24, 478,635.16 and 94,468.32

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Solution

The fourth proportional to 319,188.24, 478,635.16 and 94,468.32 is: 141,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,188.24 : 478,635.16 = 94,468.32 : x
  2. Step 2: Convert to fraction form
    319,188.24/478,635.16 = 94,468.32/x
  3. Step 3: Cross multiply
    319,188.24x = 478,635.16 × 94,468.32
  4. Step 4: Simplify right side
    319,188.24x = 45,215,859,458.13
  5. Step 5: Solve for x
    x = 45,215,859,458.13/319,188.24
  6. Step 6: Final answer
    x = 141,658.91

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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.