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Finding the Fourth Proportional to 702,388.40, 1,053,475.68 and 229,073

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Solution

The fourth proportional to 702,388.40, 1,053,475.68 and 229,073 is: 343,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,388.40 : 1,053,475.68 = 229,073 : x
  2. Step 2: Convert to fraction form
    702,388.40/1,053,475.68 = 229,073/x
  3. Step 3: Cross multiply
    702,388.40x = 1,053,475.68 × 229,073
  4. Step 4: Simplify right side
    702,388.40x = 241,322,834,444.64
  5. Step 5: Solve for x
    x = 241,322,834,444.64/702,388.40
  6. Step 6: Final answer
    x = 343,574.63

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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.