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Finding the Fourth Proportional to 611,924.10, 917,529.75 and 237,509.70

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Solution

The fourth proportional to 611,924.10, 917,529.75 and 237,509.70 is: 356,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,924.10 : 917,529.75 = 237,509.70 : x
  2. Step 2: Convert to fraction form
    611,924.10/917,529.75 = 237,509.70/x
  3. Step 3: Cross multiply
    611,924.10x = 917,529.75 × 237,509.70
  4. Step 4: Simplify right side
    611,924.10x = 217,922,215,663.58
  5. Step 5: Solve for x
    x = 217,922,215,663.58/611,924.10
  6. Step 6: Final answer
    x = 356,126.22

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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.