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Finding the Fourth Proportional to 495,508.62, 683,493.44 and 412,510.80

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Solution

The fourth proportional to 495,508.62, 683,493.44 and 412,510.80 is: 569,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,508.62 : 683,493.44 = 412,510.80 : x
  2. Step 2: Convert to fraction form
    495,508.62/683,493.44 = 412,510.80/x
  3. Step 3: Cross multiply
    495,508.62x = 683,493.44 × 412,510.80
  4. Step 4: Simplify right side
    495,508.62x = 281,948,423,666.60
  5. Step 5: Solve for x
    x = 281,948,423,666.60/495,508.62
  6. Step 6: Final answer
    x = 569,008.11

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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.