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Finding the Fourth Proportional to 583,299.20, 804,952.98 and 315,027.20

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Solution

The fourth proportional to 583,299.20, 804,952.98 and 315,027.20 is: 434,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,299.20 : 804,952.98 = 315,027.20 : x
  2. Step 2: Convert to fraction form
    583,299.20/804,952.98 = 315,027.20/x
  3. Step 3: Cross multiply
    583,299.20x = 804,952.98 × 315,027.20
  4. Step 4: Simplify right side
    583,299.20x = 253,582,083,421.06
  5. Step 5: Solve for x
    x = 253,582,083,421.06/583,299.20
  6. Step 6: Final answer
    x = 434,737.58

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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.