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Finding the Fourth Proportional to 319,591.42, 441,023.27 and 176,349.60

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Solution

The fourth proportional to 319,591.42, 441,023.27 and 176,349.60 is: 243,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,591.42 : 441,023.27 = 176,349.60 : x
  2. Step 2: Convert to fraction form
    319,591.42/441,023.27 = 176,349.60/x
  3. Step 3: Cross multiply
    319,591.42x = 441,023.27 × 176,349.60
  4. Step 4: Simplify right side
    319,591.42x = 77,774,276,373.44
  5. Step 5: Solve for x
    x = 77,774,276,373.44/319,591.42
  6. Step 6: Final answer
    x = 243,355.33

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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.