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Finding the Fourth Proportional to 495,801.30, 683,972.42 and 359,536.34

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Solution

The fourth proportional to 495,801.30, 683,972.42 and 359,536.34 is: 495,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,801.30 : 683,972.42 = 359,536.34 : x
  2. Step 2: Convert to fraction form
    495,801.30/683,972.42 = 359,536.34/x
  3. Step 3: Cross multiply
    495,801.30x = 683,972.42 × 359,536.34
  4. Step 4: Simplify right side
    495,801.30x = 245,912,940,547.74
  5. Step 5: Solve for x
    x = 245,912,940,547.74/495,801.30
  6. Step 6: Final answer
    x = 495,990.92

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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.