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Finding the Fourth Proportional to 707,589.04, 976,443.56 and 385,298.37

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Solution

The fourth proportional to 707,589.04, 976,443.56 and 385,298.37 is: 531,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,589.04 : 976,443.56 = 385,298.37 : x
  2. Step 2: Convert to fraction form
    707,589.04/976,443.56 = 385,298.37/x
  3. Step 3: Cross multiply
    707,589.04x = 976,443.56 × 385,298.37
  4. Step 4: Simplify right side
    707,589.04x = 376,222,111,583.37
  5. Step 5: Solve for x
    x = 376,222,111,583.37/707,589.04
  6. Step 6: Final answer
    x = 531,695.79

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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.