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Finding the Fourth Proportional to 502,063.83, 692,852.55 and 275,710.95

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Solution

The fourth proportional to 502,063.83, 692,852.55 and 275,710.95 is: 380,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,063.83 : 692,852.55 = 275,710.95 : x
  2. Step 2: Convert to fraction form
    502,063.83/692,852.55 = 275,710.95/x
  3. Step 3: Cross multiply
    502,063.83x = 692,852.55 × 275,710.95
  4. Step 4: Simplify right side
    502,063.83x = 191,027,034,770.42
  5. Step 5: Solve for x
    x = 191,027,034,770.42/502,063.83
  6. Step 6: Final answer
    x = 380,483.56

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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.