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Finding the Fourth Proportional to 407,590.66, 562,492.68 and 226,302.61

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Solution

The fourth proportional to 407,590.66, 562,492.68 and 226,302.61 is: 312,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,590.66 : 562,492.68 = 226,302.61 : x
  2. Step 2: Convert to fraction form
    407,590.66/562,492.68 = 226,302.61/x
  3. Step 3: Cross multiply
    407,590.66x = 562,492.68 × 226,302.61
  4. Step 4: Simplify right side
    407,590.66x = 127,293,561,589.90
  5. Step 5: Solve for x
    x = 127,293,561,589.90/407,590.66
  6. Step 6: Final answer
    x = 312,307.36

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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.