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Finding the Fourth Proportional to 359,418.15, 496,156.47 and 232,155.81

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Solution

The fourth proportional to 359,418.15, 496,156.47 and 232,155.81 is: 320,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,418.15 : 496,156.47 = 232,155.81 : x
  2. Step 2: Convert to fraction form
    359,418.15/496,156.47 = 232,155.81/x
  3. Step 3: Cross multiply
    359,418.15x = 496,156.47 × 232,155.81
  4. Step 4: Simplify right side
    359,418.15x = 115,185,607,179.59
  5. Step 5: Solve for x
    x = 115,185,607,179.59/359,418.15
  6. Step 6: Final answer
    x = 320,477.99

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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.