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Finding the Fourth Proportional to 543,372.06, 749,856.06 and 339,541.38

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Solution

The fourth proportional to 543,372.06, 749,856.06 and 339,541.38 is: 468,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,372.06 : 749,856.06 = 339,541.38 : x
  2. Step 2: Convert to fraction form
    543,372.06/749,856.06 = 339,541.38/x
  3. Step 3: Cross multiply
    543,372.06x = 749,856.06 × 339,541.38
  4. Step 4: Simplify right side
    543,372.06x = 254,607,161,413.76
  5. Step 5: Solve for x
    x = 254,607,161,413.76/543,372.06
  6. Step 6: Final answer
    x = 468,568.74

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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.