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Finding the Fourth Proportional to 533,659.50, 736,455.93 and 291,936.88

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Solution

The fourth proportional to 533,659.50, 736,455.93 and 291,936.88 is: 402,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,659.50 : 736,455.93 = 291,936.88 : x
  2. Step 2: Convert to fraction form
    533,659.50/736,455.93 = 291,936.88/x
  3. Step 3: Cross multiply
    533,659.50x = 736,455.93 × 291,936.88
  4. Step 4: Simplify right side
    533,659.50x = 214,998,646,461.70
  5. Step 5: Solve for x
    x = 214,998,646,461.70/533,659.50
  6. Step 6: Final answer
    x = 402,876.08

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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.