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Finding the Fourth Proportional to 336,580.30, 464,345.22 and 215,699.34

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Solution

The fourth proportional to 336,580.30, 464,345.22 and 215,699.34 is: 297,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,580.30 : 464,345.22 = 215,699.34 : x
  2. Step 2: Convert to fraction form
    336,580.30/464,345.22 = 215,699.34/x
  3. Step 3: Cross multiply
    336,580.30x = 464,345.22 × 215,699.34
  4. Step 4: Simplify right side
    336,580.30x = 100,158,957,486.16
  5. Step 5: Solve for x
    x = 100,158,957,486.16/336,580.30
  6. Step 6: Final answer
    x = 297,578.19

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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.