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Finding the Fourth Proportional to 704,873.34, 972,726.21 and 382,583.52

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Solution

The fourth proportional to 704,873.34, 972,726.21 and 382,583.52 is: 527,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,873.34 : 972,726.21 = 382,583.52 : x
  2. Step 2: Convert to fraction form
    704,873.34/972,726.21 = 382,583.52/x
  3. Step 3: Cross multiply
    704,873.34x = 972,726.21 × 382,583.52
  4. Step 4: Simplify right side
    704,873.34x = 372,149,017,418.06
  5. Step 5: Solve for x
    x = 372,149,017,418.06/704,873.34
  6. Step 6: Final answer
    x = 527,965.80

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1.5x scale

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.