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Finding the Fourth Proportional to 763,034.48, 1,052,744 and 440,702

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Solution

The fourth proportional to 763,034.48, 1,052,744 and 440,702 is: 608,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,034.48 : 1,052,744 = 440,702 : x
  2. Step 2: Convert to fraction form
    763,034.48/1,052,744 = 440,702/x
  3. Step 3: Cross multiply
    763,034.48x = 1,052,744 × 440,702
  4. Step 4: Simplify right side
    763,034.48x = 463,946,386,288
  5. Step 5: Solve for x
    x = 463,946,386,288/763,034.48
  6. Step 6: Final answer
    x = 608,028.08

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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.