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Finding the Fourth Proportional to 633,083.32, 873,738.18 and 361,088.90

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Solution

The fourth proportional to 633,083.32, 873,738.18 and 361,088.90 is: 498,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,083.32 : 873,738.18 = 361,088.90 : x
  2. Step 2: Convert to fraction form
    633,083.32/873,738.18 = 361,088.90/x
  3. Step 3: Cross multiply
    633,083.32x = 873,738.18 × 361,088.90
  4. Step 4: Simplify right side
    633,083.32x = 315,497,153,935.51
  5. Step 5: Solve for x
    x = 315,497,153,935.51/633,083.32
  6. Step 6: Final answer
    x = 498,350.13

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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.