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Finding the Fourth Proportional to 704,674.43, 972,453.30 and 382,384.52

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Solution

The fourth proportional to 704,674.43, 972,453.30 and 382,384.52 is: 527,692.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,674.43 : 972,453.30 = 382,384.52 : x
  2. Step 2: Convert to fraction form
    704,674.43/972,453.30 = 382,384.52/x
  3. Step 3: Cross multiply
    704,674.43x = 972,453.30 × 382,384.52
  4. Step 4: Simplify right side
    704,674.43x = 371,851,085,693.41
  5. Step 5: Solve for x
    x = 371,851,085,693.41/704,674.43
  6. Step 6: Final answer
    x = 527,692.03

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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.