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Finding the Fourth Proportional to 304,181.15, 456,302.70 and 104,475.65

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Solution

The fourth proportional to 304,181.15, 456,302.70 and 104,475.65 is: 156,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,181.15 : 456,302.70 = 104,475.65 : x
  2. Step 2: Convert to fraction form
    304,181.15/456,302.70 = 104,475.65/x
  3. Step 3: Cross multiply
    304,181.15x = 456,302.70 × 104,475.65
  4. Step 4: Simplify right side
    304,181.15x = 47,672,518,897.74
  5. Step 5: Solve for x
    x = 47,672,518,897.74/304,181.15
  6. Step 6: Final answer
    x = 156,724.11

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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.