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Finding the Fourth Proportional to 482,594.74, 665,998.54 and 291,571.22

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Solution

The fourth proportional to 482,594.74, 665,998.54 and 291,571.22 is: 402,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,594.74 : 665,998.54 = 291,571.22 : x
  2. Step 2: Convert to fraction form
    482,594.74/665,998.54 = 291,571.22/x
  3. Step 3: Cross multiply
    482,594.74x = 665,998.54 × 291,571.22
  4. Step 4: Simplify right side
    482,594.74x = 194,186,006,826.02
  5. Step 5: Solve for x
    x = 194,186,006,826.02/482,594.74
  6. Step 6: Final answer
    x = 402,379.04

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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.