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Finding the Fourth Proportional to 533,248.50, 800,167.98 and 319,491.12

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Solution

The fourth proportional to 533,248.50, 800,167.98 and 319,491.12 is: 479,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,248.50 : 800,167.98 = 319,491.12 : x
  2. Step 2: Convert to fraction form
    533,248.50/800,167.98 = 319,491.12/x
  3. Step 3: Cross multiply
    533,248.50x = 800,167.98 × 319,491.12
  4. Step 4: Simplify right side
    533,248.50x = 255,646,564,118.34
  5. Step 5: Solve for x
    x = 255,646,564,118.34/533,248.50
  6. Step 6: Final answer
    x = 479,413.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.