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Finding the Fourth Proportional to 583,291.60, 804,942.24 and 315,019.60

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Solution

The fourth proportional to 583,291.60, 804,942.24 and 315,019.60 is: 434,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,291.60 : 804,942.24 = 315,019.60 : x
  2. Step 2: Convert to fraction form
    583,291.60/804,942.24 = 315,019.60/x
  3. Step 3: Cross multiply
    583,291.60x = 804,942.24 × 315,019.60
  4. Step 4: Simplify right side
    583,291.60x = 253,572,582,467.90
  5. Step 5: Solve for x
    x = 253,572,582,467.90/583,291.60
  6. Step 6: Final answer
    x = 434,726.96

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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.