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Finding the Fourth Proportional to 270,533.76, 405,851.64 and 83,501.52

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Solution

The fourth proportional to 270,533.76, 405,851.64 and 83,501.52 is: 125,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,533.76 : 405,851.64 = 83,501.52 : x
  2. Step 2: Convert to fraction form
    270,533.76/405,851.64 = 83,501.52/x
  3. Step 3: Cross multiply
    270,533.76x = 405,851.64 × 83,501.52
  4. Step 4: Simplify right side
    270,533.76x = 33,889,228,834.49
  5. Step 5: Solve for x
    x = 33,889,228,834.49/270,533.76
  6. Step 6: Final answer
    x = 125,268.02

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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.