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Finding the Fourth Proportional to 372,662.34, 514,320.48 and 211,569.54

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Solution

The fourth proportional to 372,662.34, 514,320.48 and 211,569.54 is: 291,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,662.34 : 514,320.48 = 211,569.54 : x
  2. Step 2: Convert to fraction form
    372,662.34/514,320.48 = 211,569.54/x
  3. Step 3: Cross multiply
    372,662.34x = 514,320.48 × 211,569.54
  4. Step 4: Simplify right side
    372,662.34x = 108,814,547,366.18
  5. Step 5: Solve for x
    x = 108,814,547,366.18/372,662.34
  6. Step 6: Final answer
    x = 291,992.34

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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.