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Finding the Fourth Proportional to 358,749, 495,073.62 and 207,933.48

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Solution

The fourth proportional to 358,749, 495,073.62 and 207,933.48 is: 286,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,749 : 495,073.62 = 207,933.48 : x
  2. Step 2: Convert to fraction form
    358,749/495,073.62 = 207,933.48/x
  3. Step 3: Cross multiply
    358,749x = 495,073.62 × 207,933.48
  4. Step 4: Simplify right side
    358,749x = 102,942,380,662.80
  5. Step 5: Solve for x
    x = 102,942,380,662.80/358,749
  6. Step 6: Final answer
    x = 286,948.20

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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.