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Finding the Fourth Proportional to 676,806.54, 933,993.03 and 375,000.54

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Solution

The fourth proportional to 676,806.54, 933,993.03 and 375,000.54 is: 517,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,806.54 : 933,993.03 = 375,000.54 : x
  2. Step 2: Convert to fraction form
    676,806.54/933,993.03 = 375,000.54/x
  3. Step 3: Cross multiply
    676,806.54x = 933,993.03 × 375,000.54
  4. Step 4: Simplify right side
    676,806.54x = 350,247,890,606.24
  5. Step 5: Solve for x
    x = 350,247,890,606.24/676,806.54
  6. Step 6: Final answer
    x = 517,500.75

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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.