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Finding the Fourth Proportional to 704,785.52, 972,604.50 and 382,495.52

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Solution

The fourth proportional to 704,785.52, 972,604.50 and 382,495.52 is: 527,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,785.52 : 972,604.50 = 382,495.52 : x
  2. Step 2: Convert to fraction form
    704,785.52/972,604.50 = 382,495.52/x
  3. Step 3: Cross multiply
    704,785.52x = 972,604.50 × 382,495.52
  4. Step 4: Simplify right side
    704,785.52x = 372,016,863,981.84
  5. Step 5: Solve for x
    x = 372,016,863,981.84/704,785.52
  6. Step 6: Final answer
    x = 527,844.08

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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.