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Finding the Fourth Proportional to 622,910.61, 934,210.40 and 202,306.77

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Solution

The fourth proportional to 622,910.61, 934,210.40 and 202,306.77 is: 303,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,910.61 : 934,210.40 = 202,306.77 : x
  2. Step 2: Convert to fraction form
    622,910.61/934,210.40 = 202,306.77/x
  3. Step 3: Cross multiply
    622,910.61x = 934,210.40 × 202,306.77
  4. Step 4: Simplify right side
    622,910.61x = 188,997,087,512.87
  5. Step 5: Solve for x
    x = 188,997,087,512.87/622,910.61
  6. Step 6: Final answer
    x = 303,409.65

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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.