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Finding the Fourth Proportional to 316,452.27, 436,700.73 and 180,482.70

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Solution

The fourth proportional to 316,452.27, 436,700.73 and 180,482.70 is: 249,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,452.27 : 436,700.73 = 180,482.70 : x
  2. Step 2: Convert to fraction form
    316,452.27/436,700.73 = 180,482.70/x
  3. Step 3: Cross multiply
    316,452.27x = 436,700.73 × 180,482.70
  4. Step 4: Simplify right side
    316,452.27x = 78,816,926,842.37
  5. Step 5: Solve for x
    x = 78,816,926,842.37/316,452.27
  6. Step 6: Final answer
    x = 249,064.19

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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.