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Finding the Fourth Proportional to 583,297.20, 804,950.22 and 315,025.20

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Solution

The fourth proportional to 583,297.20, 804,950.22 and 315,025.20 is: 434,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,297.20 : 804,950.22 = 315,025.20 : x
  2. Step 2: Convert to fraction form
    583,297.20/804,950.22 = 315,025.20/x
  3. Step 3: Cross multiply
    583,297.20x = 804,950.22 × 315,025.20
  4. Step 4: Simplify right side
    583,297.20x = 253,579,604,045.54
  5. Step 5: Solve for x
    x = 253,579,604,045.54/583,297.20
  6. Step 6: Final answer
    x = 434,734.82

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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.