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Finding the Fourth Proportional to 397,300.99, 596,326.01 and 144,825.51

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Solution

The fourth proportional to 397,300.99, 596,326.01 and 144,825.51 is: 217,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,300.99 : 596,326.01 = 144,825.51 : x
  2. Step 2: Convert to fraction form
    397,300.99/596,326.01 = 144,825.51/x
  3. Step 3: Cross multiply
    397,300.99x = 596,326.01 × 144,825.51
  4. Step 4: Simplify right side
    397,300.99x = 86,363,218,524.52
  5. Step 5: Solve for x
    x = 86,363,218,524.52/397,300.99
  6. Step 6: Final answer
    x = 217,374.79

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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.