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Finding the Fourth Proportional to 265,458.80, 366,339.30 and 144,606.80

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Solution

The fourth proportional to 265,458.80, 366,339.30 and 144,606.80 is: 199,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,458.80 : 366,339.30 = 144,606.80 : x
  2. Step 2: Convert to fraction form
    265,458.80/366,339.30 = 144,606.80/x
  3. Step 3: Cross multiply
    265,458.80x = 366,339.30 × 144,606.80
  4. Step 4: Simplify right side
    265,458.80x = 52,975,153,887.24
  5. Step 5: Solve for x
    x = 52,975,153,887.24/265,458.80
  6. Step 6: Final answer
    x = 199,560.74

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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.