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Finding the Fourth Proportional to 304,765.20, 456,370.20 and 242,557.20

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Solution

The fourth proportional to 304,765.20, 456,370.20 and 242,557.20 is: 363,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,765.20 : 456,370.20 = 242,557.20 : x
  2. Step 2: Convert to fraction form
    304,765.20/456,370.20 = 242,557.20/x
  3. Step 3: Cross multiply
    304,765.20x = 456,370.20 × 242,557.20
  4. Step 4: Simplify right side
    304,765.20x = 110,695,877,875.44
  5. Step 5: Solve for x
    x = 110,695,877,875.44/304,765.20
  6. Step 6: Final answer
    x = 363,216.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.