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Finding the Fourth Proportional to 319,906.48, 441,477.84 and 176,675.68

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Solution

The fourth proportional to 319,906.48, 441,477.84 and 176,675.68 is: 243,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,906.48 : 441,477.84 = 176,675.68 : x
  2. Step 2: Convert to fraction form
    319,906.48/441,477.84 = 176,675.68/x
  3. Step 3: Cross multiply
    319,906.48x = 441,477.84 × 176,675.68
  4. Step 4: Simplify right side
    319,906.48x = 77,998,397,586.93
  5. Step 5: Solve for x
    x = 77,998,397,586.93/319,906.48
  6. Step 6: Final answer
    x = 243,816.25

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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.