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Finding the Fourth Proportional to 372,564.60, 514,124.82 and 211,410.06

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Solution

The fourth proportional to 372,564.60, 514,124.82 and 211,410.06 is: 291,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,564.60 : 514,124.82 = 211,410.06 : x
  2. Step 2: Convert to fraction form
    372,564.60/514,124.82 = 211,410.06/x
  3. Step 3: Cross multiply
    372,564.60x = 514,124.82 × 211,410.06
  4. Step 4: Simplify right side
    372,564.60x = 108,691,159,043.69
  5. Step 5: Solve for x
    x = 108,691,159,043.69/372,564.60
  6. Step 6: Final answer
    x = 291,737.75

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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.