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Finding the Fourth Proportional to 397,326.52, 596,381.46 and 291,849.40

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Solution

The fourth proportional to 397,326.52, 596,381.46 and 291,849.40 is: 438,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,326.52 : 596,381.46 = 291,849.40 : x
  2. Step 2: Convert to fraction form
    397,326.52/596,381.46 = 291,849.40/x
  3. Step 3: Cross multiply
    397,326.52x = 596,381.46 × 291,849.40
  4. Step 4: Simplify right side
    397,326.52x = 174,053,571,272.12
  5. Step 5: Solve for x
    x = 174,053,571,272.12/397,326.52
  6. Step 6: Final answer
    x = 438,061.80

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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.