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Finding the Fourth Proportional to 403,394.46, 606,124.45 and 304,486.17

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Solution

The fourth proportional to 403,394.46, 606,124.45 and 304,486.17 is: 457,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,394.46 : 606,124.45 = 304,486.17 : x
  2. Step 2: Convert to fraction form
    403,394.46/606,124.45 = 304,486.17/x
  3. Step 3: Cross multiply
    403,394.46x = 606,124.45 × 304,486.17
  4. Step 4: Simplify right side
    403,394.46x = 184,556,513,840.95
  5. Step 5: Solve for x
    x = 184,556,513,840.95/403,394.46
  6. Step 6: Final answer
    x = 457,508.79

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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.