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Finding the Fourth Proportional to 265,585.80, 366,482.16 and 156,687.84

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Solution

The fourth proportional to 265,585.80, 366,482.16 and 156,687.84 is: 216,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,585.80 : 366,482.16 = 156,687.84 : x
  2. Step 2: Convert to fraction form
    265,585.80/366,482.16 = 156,687.84/x
  3. Step 3: Cross multiply
    265,585.80x = 366,482.16 × 156,687.84
  4. Step 4: Simplify right side
    265,585.80x = 57,423,298,048.93
  5. Step 5: Solve for x
    x = 57,423,298,048.93/265,585.80
  6. Step 6: Final answer
    x = 216,213.74

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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.