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Finding the Fourth Proportional to 245,849.80, 368,774.70 and 169,742.20

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Solution

The fourth proportional to 245,849.80, 368,774.70 and 169,742.20 is: 254,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,849.80 : 368,774.70 = 169,742.20 : x
  2. Step 2: Convert to fraction form
    245,849.80/368,774.70 = 169,742.20/x
  3. Step 3: Cross multiply
    245,849.80x = 368,774.70 × 169,742.20
  4. Step 4: Simplify right side
    245,849.80x = 62,596,628,882.34
  5. Step 5: Solve for x
    x = 62,596,628,882.34/245,849.80
  6. Step 6: Final answer
    x = 254,613.30

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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.