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Finding the Fourth Proportional to 533,633.30, 736,413.70 and 291,915.82

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Solution

The fourth proportional to 533,633.30, 736,413.70 and 291,915.82 is: 402,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,633.30 : 736,413.70 = 291,915.82 : x
  2. Step 2: Convert to fraction form
    533,633.30/736,413.70 = 291,915.82/x
  3. Step 3: Cross multiply
    533,633.30x = 736,413.70 × 291,915.82
  4. Step 4: Simplify right side
    533,633.30x = 214,970,809,094.73
  5. Step 5: Solve for x
    x = 214,970,809,094.73/533,633.30
  6. Step 6: Final answer
    x = 402,843.69

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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.