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Finding the Fourth Proportional to 211,199.80, 316,045.08 and 183,446.80

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Solution

The fourth proportional to 211,199.80, 316,045.08 and 183,446.80 is: 274,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,199.80 : 316,045.08 = 183,446.80 : x
  2. Step 2: Convert to fraction form
    211,199.80/316,045.08 = 183,446.80/x
  3. Step 3: Cross multiply
    211,199.80x = 316,045.08 × 183,446.80
  4. Step 4: Simplify right side
    211,199.80x = 57,977,458,581.74
  5. Step 5: Solve for x
    x = 57,977,458,581.74/211,199.80
  6. Step 6: Final answer
    x = 274,514.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.