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Finding the Fourth Proportional to 533,240.80, 735,874.91 and 291,523.39

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Solution

The fourth proportional to 533,240.80, 735,874.91 and 291,523.39 is: 402,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,240.80 : 735,874.91 = 291,523.39 : x
  2. Step 2: Convert to fraction form
    533,240.80/735,874.91 = 291,523.39/x
  3. Step 3: Cross multiply
    533,240.80x = 735,874.91 × 291,523.39
  4. Step 4: Simplify right side
    533,240.80x = 214,524,746,175.05
  5. Step 5: Solve for x
    x = 214,524,746,175.05/533,240.80
  6. Step 6: Final answer
    x = 402,303.70

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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.