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Finding the Fourth Proportional to 704,792.07, 972,620.33 and 382,504.95

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Solution

The fourth proportional to 704,792.07, 972,620.33 and 382,504.95 is: 527,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,792.07 : 972,620.33 = 382,504.95 : x
  2. Step 2: Convert to fraction form
    704,792.07/972,620.33 = 382,504.95/x
  3. Step 3: Cross multiply
    704,792.07x = 972,620.33 × 382,504.95
  4. Step 4: Simplify right side
    704,792.07x = 372,032,088,783.11
  5. Step 5: Solve for x
    x = 372,032,088,783.11/704,792.07
  6. Step 6: Final answer
    x = 527,860.78

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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.