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Finding the Fourth Proportional to 265,589.71, 366,513.23 and 144,730.70

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Solution

The fourth proportional to 265,589.71, 366,513.23 and 144,730.70 is: 199,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,589.71 : 366,513.23 = 144,730.70 : x
  2. Step 2: Convert to fraction form
    265,589.71/366,513.23 = 144,730.70/x
  3. Step 3: Cross multiply
    265,589.71x = 366,513.23 × 144,730.70
  4. Step 4: Simplify right side
    265,589.71x = 53,045,715,613.51
  5. Step 5: Solve for x
    x = 53,045,715,613.51/265,589.71
  6. Step 6: Final answer
    x = 199,728.06

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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.