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Finding the Fourth Proportional to 583,521.85, 805,324.23 and 338,560.57

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Solution

The fourth proportional to 583,521.85, 805,324.23 and 338,560.57 is: 467,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,521.85 : 805,324.23 = 338,560.57 : x
  2. Step 2: Convert to fraction form
    583,521.85/805,324.23 = 338,560.57/x
  3. Step 3: Cross multiply
    583,521.85x = 805,324.23 × 338,560.57
  4. Step 4: Simplify right side
    583,521.85x = 272,651,024,624.19
  5. Step 5: Solve for x
    x = 272,651,024,624.19/583,521.85
  6. Step 6: Final answer
    x = 467,250.76

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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.