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Finding the Fourth Proportional to 533,239.61, 735,888.65 and 291,517.38

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Solution

The fourth proportional to 533,239.61, 735,888.65 and 291,517.38 is: 402,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,239.61 : 735,888.65 = 291,517.38 : x
  2. Step 2: Convert to fraction form
    533,239.61/735,888.65 = 291,517.38/x
  3. Step 3: Cross multiply
    533,239.61x = 735,888.65 × 291,517.38
  4. Step 4: Simplify right side
    533,239.61x = 214,524,329,762.15
  5. Step 5: Solve for x
    x = 214,524,329,762.15/533,239.61
  6. Step 6: Final answer
    x = 402,303.82

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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.