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Finding the Fourth Proportional to 555,785.15, 833,694.73 and 384,839.51

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Solution

The fourth proportional to 555,785.15, 833,694.73 and 384,839.51 is: 577,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,785.15 : 833,694.73 = 384,839.51 : x
  2. Step 2: Convert to fraction form
    555,785.15/833,694.73 = 384,839.51/x
  3. Step 3: Cross multiply
    555,785.15x = 833,694.73 × 384,839.51
  4. Step 4: Simplify right side
    555,785.15x = 320,838,666,252.21
  5. Step 5: Solve for x
    x = 320,838,666,252.21/555,785.15
  6. Step 6: Final answer
    x = 577,271.04

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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.