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Finding the Fourth Proportional to 292,093.40, 438,140.10 and 179,900.30

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Solution

The fourth proportional to 292,093.40, 438,140.10 and 179,900.30 is: 269,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,093.40 : 438,140.10 = 179,900.30 : x
  2. Step 2: Convert to fraction form
    292,093.40/438,140.10 = 179,900.30/x
  3. Step 3: Cross multiply
    292,093.40x = 438,140.10 × 179,900.30
  4. Step 4: Simplify right side
    292,093.40x = 78,821,535,432.03
  5. Step 5: Solve for x
    x = 78,821,535,432.03/292,093.40
  6. Step 6: Final answer
    x = 269,850.45

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1.5x scale

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.