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Finding the Fourth Proportional to 702,956.76, 1,054,217.04 and 253,619.22

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Solution

The fourth proportional to 702,956.76, 1,054,217.04 and 253,619.22 is: 380,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,956.76 : 1,054,217.04 = 253,619.22 : x
  2. Step 2: Convert to fraction form
    702,956.76/1,054,217.04 = 253,619.22/x
  3. Step 3: Cross multiply
    702,956.76x = 1,054,217.04 × 253,619.22
  4. Step 4: Simplify right side
    702,956.76x = 267,369,703,395.51
  5. Step 5: Solve for x
    x = 267,369,703,395.51/702,956.76
  6. Step 6: Final answer
    x = 380,350.14

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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.