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Finding the Fourth Proportional to 265,533.76, 366,431.52 and 144,673.60

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Solution

The fourth proportional to 265,533.76, 366,431.52 and 144,673.60 is: 199,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,533.76 : 366,431.52 = 144,673.60 : x
  2. Step 2: Convert to fraction form
    265,533.76/366,431.52 = 144,673.60/x
  3. Step 3: Cross multiply
    265,533.76x = 366,431.52 × 144,673.60
  4. Step 4: Simplify right side
    265,533.76x = 53,012,967,151.87
  5. Step 5: Solve for x
    x = 53,012,967,151.87/265,533.76
  6. Step 6: Final answer
    x = 199,646.81

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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.