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Finding the Fourth Proportional to 593,397.75, 888,620.39 and 415,069.77

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Solution

The fourth proportional to 593,397.75, 888,620.39 and 415,069.77 is: 621,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,397.75 : 888,620.39 = 415,069.77 : x
  2. Step 2: Convert to fraction form
    593,397.75/888,620.39 = 415,069.77/x
  3. Step 3: Cross multiply
    593,397.75x = 888,620.39 × 415,069.77
  4. Step 4: Simplify right side
    593,397.75x = 368,839,460,894.61
  5. Step 5: Solve for x
    x = 368,839,460,894.61/593,397.75
  6. Step 6: Final answer
    x = 621,572.06

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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.