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Finding the Fourth Proportional to 358,740.75, 495,062.24 and 207,925.23

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Solution

The fourth proportional to 358,740.75, 495,062.24 and 207,925.23 is: 286,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,740.75 : 495,062.24 = 207,925.23 : x
  2. Step 2: Convert to fraction form
    358,740.75/495,062.24 = 207,925.23/x
  3. Step 3: Cross multiply
    358,740.75x = 495,062.24 × 207,925.23
  4. Step 4: Simplify right side
    358,740.75x = 102,935,929,076.69
  5. Step 5: Solve for x
    x = 102,935,929,076.69/358,740.75
  6. Step 6: Final answer
    x = 286,936.82

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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.