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Finding the Fourth Proportional to 502,303.50, 693,179.10 and 275,963.58

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Solution

The fourth proportional to 502,303.50, 693,179.10 and 275,963.58 is: 380,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,303.50 : 693,179.10 = 275,963.58 : x
  2. Step 2: Convert to fraction form
    502,303.50/693,179.10 = 275,963.58/x
  3. Step 3: Cross multiply
    502,303.50x = 693,179.10 × 275,963.58
  4. Step 4: Simplify right side
    502,303.50x = 191,292,186,017.18
  5. Step 5: Solve for x
    x = 191,292,186,017.18/502,303.50
  6. Step 6: Final answer
    x = 380,829.89

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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.