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Finding the Fourth Proportional to 533,070.05, 735,616.67 and 291,350.66

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Solution

The fourth proportional to 533,070.05, 735,616.67 and 291,350.66 is: 402,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,070.05 : 735,616.67 = 291,350.66 : x
  2. Step 2: Convert to fraction form
    533,070.05/735,616.67 = 291,350.66/x
  3. Step 3: Cross multiply
    533,070.05x = 735,616.67 × 291,350.66
  4. Step 4: Simplify right side
    533,070.05x = 214,322,397,176.67
  5. Step 5: Solve for x
    x = 214,322,397,176.67/533,070.05
  6. Step 6: Final answer
    x = 402,052.97

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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.