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Finding the Fourth Proportional to 760,589.52, 1,139,244 and 715,873.68

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Solution

The fourth proportional to 760,589.52, 1,139,244 and 715,873.68 is: 1,072,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,589.52 : 1,139,244 = 715,873.68 : x
  2. Step 2: Convert to fraction form
    760,589.52/1,139,244 = 715,873.68/x
  3. Step 3: Cross multiply
    760,589.52x = 1,139,244 × 715,873.68
  4. Step 4: Simplify right side
    760,589.52x = 815,554,794,697.92
  5. Step 5: Solve for x
    x = 815,554,794,697.92/760,589.52
  6. Step 6: Final answer
    x = 1,072,266.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.