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Finding the Fourth Proportional to 292,798.80, 438,906.60 and 134,751.60

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Solution

The fourth proportional to 292,798.80, 438,906.60 and 134,751.60 is: 201,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,798.80 : 438,906.60 = 134,751.60 : x
  2. Step 2: Convert to fraction form
    292,798.80/438,906.60 = 134,751.60/x
  3. Step 3: Cross multiply
    292,798.80x = 438,906.60 × 134,751.60
  4. Step 4: Simplify right side
    292,798.80x = 59,143,366,600.56
  5. Step 5: Solve for x
    x = 59,143,366,600.56/292,798.80
  6. Step 6: Final answer
    x = 201,993.20

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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.