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Finding the Fourth Proportional to 495,174.62, 683,341.65 and 268,820.12

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Solution

The fourth proportional to 495,174.62, 683,341.65 and 268,820.12 is: 370,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,174.62 : 683,341.65 = 268,820.12 : x
  2. Step 2: Convert to fraction form
    495,174.62/683,341.65 = 268,820.12/x
  3. Step 3: Cross multiply
    495,174.62x = 683,341.65 × 268,820.12
  4. Step 4: Simplify right side
    495,174.62x = 183,695,980,937.29
  5. Step 5: Solve for x
    x = 183,695,980,937.29/495,174.62
  6. Step 6: Final answer
    x = 370,972.13

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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.