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Finding the Fourth Proportional to 368,824.92, 508,973.46 and 207,695.88

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Solution

The fourth proportional to 368,824.92, 508,973.46 and 207,695.88 is: 286,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,824.92 : 508,973.46 = 207,695.88 : x
  2. Step 2: Convert to fraction form
    368,824.92/508,973.46 = 207,695.88/x
  3. Step 3: Cross multiply
    368,824.92x = 508,973.46 × 207,695.88
  4. Step 4: Simplify right side
    368,824.92x = 105,711,690,671.35
  5. Step 5: Solve for x
    x = 105,711,690,671.35/368,824.92
  6. Step 6: Final answer
    x = 286,617.54

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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.