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Finding the Fourth Proportional to 702,881.66, 1,054,104.12 and 253,544.15

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Solution

The fourth proportional to 702,881.66, 1,054,104.12 and 253,544.15 is: 380,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,881.66 : 1,054,104.12 = 253,544.15 : x
  2. Step 2: Convert to fraction form
    702,881.66/1,054,104.12 = 253,544.15/x
  3. Step 3: Cross multiply
    702,881.66x = 1,054,104.12 × 253,544.15
  4. Step 4: Simplify right side
    702,881.66x = 267,261,935,752.16
  5. Step 5: Solve for x
    x = 267,261,935,752.16/702,881.66
  6. Step 6: Final answer
    x = 380,237.46

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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.