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Finding the Fourth Proportional to 495,000.24, 683,100.72 and 268,645.68

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Solution

The fourth proportional to 495,000.24, 683,100.72 and 268,645.68 is: 370,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,000.24 : 683,100.72 = 268,645.68 : x
  2. Step 2: Convert to fraction form
    495,000.24/683,100.72 = 268,645.68/x
  3. Step 3: Cross multiply
    495,000.24x = 683,100.72 × 268,645.68
  4. Step 4: Simplify right side
    495,000.24x = 183,512,057,432.89
  5. Step 5: Solve for x
    x = 183,512,057,432.89/495,000.24
  6. Step 6: Final answer
    x = 370,731.25

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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.