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Finding the Fourth Proportional to 583,282.75, 804,930.20 and 315,010.75

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Solution

The fourth proportional to 583,282.75, 804,930.20 and 315,010.75 is: 434,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,282.75 : 804,930.20 = 315,010.75 : x
  2. Step 2: Convert to fraction form
    583,282.75/804,930.20 = 315,010.75/x
  3. Step 3: Cross multiply
    583,282.75x = 804,930.20 × 315,010.75
  4. Step 4: Simplify right side
    583,282.75x = 253,561,665,999.65
  5. Step 5: Solve for x
    x = 253,561,665,999.65/583,282.75
  6. Step 6: Final answer
    x = 434,714.84

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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.