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Finding the Fourth Proportional to 532,016.13, 734,199.98 and 290,311.96

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Solution

The fourth proportional to 532,016.13, 734,199.98 and 290,311.96 is: 400,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,016.13 : 734,199.98 = 290,311.96 : x
  2. Step 2: Convert to fraction form
    532,016.13/734,199.98 = 290,311.96/x
  3. Step 3: Cross multiply
    532,016.13x = 734,199.98 × 290,311.96
  4. Step 4: Simplify right side
    532,016.13x = 213,147,036,070.67
  5. Step 5: Solve for x
    x = 213,147,036,070.67/532,016.13
  6. Step 6: Final answer
    x = 400,640.18

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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.