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Finding the Fourth Proportional to 583,296.20, 804,948.84 and 315,024.20

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Solution

The fourth proportional to 583,296.20, 804,948.84 and 315,024.20 is: 434,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,296.20 : 804,948.84 = 315,024.20 : x
  2. Step 2: Convert to fraction form
    583,296.20/804,948.84 = 315,024.20/x
  3. Step 3: Cross multiply
    583,296.20x = 804,948.84 × 315,024.20
  4. Step 4: Simplify right side
    583,296.20x = 253,578,364,361.93
  5. Step 5: Solve for x
    x = 253,578,364,361.93/583,296.20
  6. Step 6: Final answer
    x = 434,733.44

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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.