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Finding the Fourth Proportional to 270,985.80, 374,022.60 and 180,345.60

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Solution

The fourth proportional to 270,985.80, 374,022.60 and 180,345.60 is: 248,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,985.80 : 374,022.60 = 180,345.60 : x
  2. Step 2: Convert to fraction form
    270,985.80/374,022.60 = 180,345.60/x
  3. Step 3: Cross multiply
    270,985.80x = 374,022.60 × 180,345.60
  4. Step 4: Simplify right side
    270,985.80x = 67,453,330,210.56
  5. Step 5: Solve for x
    x = 67,453,330,210.56/270,985.80
  6. Step 6: Final answer
    x = 248,918.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.