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Finding the Fourth Proportional to 265,329.60, 366,161.40 and 144,477.52

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Solution

The fourth proportional to 265,329.60, 366,161.40 and 144,477.52 is: 199,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,329.60 : 366,161.40 = 144,477.52 : x
  2. Step 2: Convert to fraction form
    265,329.60/366,161.40 = 144,477.52/x
  3. Step 3: Cross multiply
    265,329.60x = 366,161.40 × 144,477.52
  4. Step 4: Simplify right side
    265,329.60x = 52,902,090,991.73
  5. Step 5: Solve for x
    x = 52,902,090,991.73/265,329.60
  6. Step 6: Final answer
    x = 199,382.55

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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.