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Finding the Fourth Proportional to 504,808.02, 696,648.21 and 275,369.19

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Solution

The fourth proportional to 504,808.02, 696,648.21 and 275,369.19 is: 380,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,808.02 : 696,648.21 = 275,369.19 : x
  2. Step 2: Convert to fraction form
    504,808.02/696,648.21 = 275,369.19/x
  3. Step 3: Cross multiply
    504,808.02x = 696,648.21 × 275,369.19
  4. Step 4: Simplify right side
    504,808.02x = 191,835,453,302.65
  5. Step 5: Solve for x
    x = 191,835,453,302.65/504,808.02
  6. Step 6: Final answer
    x = 380,016.65

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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.