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Finding the Fourth Proportional to 495,795.79, 683,964.84 and 359,530.84

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Solution

The fourth proportional to 495,795.79, 683,964.84 and 359,530.84 is: 495,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,795.79 : 683,964.84 = 359,530.84 : x
  2. Step 2: Convert to fraction form
    495,795.79/683,964.84 = 359,530.84/x
  3. Step 3: Cross multiply
    495,795.79x = 683,964.84 × 359,530.84
  4. Step 4: Simplify right side
    495,795.79x = 245,906,453,455.67
  5. Step 5: Solve for x
    x = 245,906,453,455.67/495,795.79
  6. Step 6: Final answer
    x = 495,983.34

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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.