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Finding the Fourth Proportional to 704,827.84, 972,662.95 and 382,537.86

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Solution

The fourth proportional to 704,827.84, 972,662.95 and 382,537.86 is: 527,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,827.84 : 972,662.95 = 382,537.86 : x
  2. Step 2: Convert to fraction form
    704,827.84/972,662.95 = 382,537.86/x
  3. Step 3: Cross multiply
    704,827.84x = 972,662.95 × 382,537.86
  4. Step 4: Simplify right side
    704,827.84x = 372,080,398,530.97
  5. Step 5: Solve for x
    x = 372,080,398,530.97/704,827.84
  6. Step 6: Final answer
    x = 527,902.53

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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.