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Finding the Fourth Proportional to 702,880.54, 1,054,102.41 and 253,543.03

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Solution

The fourth proportional to 702,880.54, 1,054,102.41 and 253,543.03 is: 380,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,880.54 : 1,054,102.41 = 253,543.03 : x
  2. Step 2: Convert to fraction form
    702,880.54/1,054,102.41 = 253,543.03/x
  3. Step 3: Cross multiply
    702,880.54x = 1,054,102.41 × 253,543.03
  4. Step 4: Simplify right side
    702,880.54x = 267,260,316,326.45
  5. Step 5: Solve for x
    x = 267,260,316,326.45/702,880.54
  6. Step 6: Final answer
    x = 380,235.76

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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.