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Finding the Fourth Proportional to 534,662.58, 737,806.11 and 305,210.76

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Solution

The fourth proportional to 534,662.58, 737,806.11 and 305,210.76 is: 421,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,662.58 : 737,806.11 = 305,210.76 : x
  2. Step 2: Convert to fraction form
    534,662.58/737,806.11 = 305,210.76/x
  3. Step 3: Cross multiply
    534,662.58x = 737,806.11 × 305,210.76
  4. Step 4: Simplify right side
    534,662.58x = 225,186,363,565.74
  5. Step 5: Solve for x
    x = 225,186,363,565.74/534,662.58
  6. Step 6: Final answer
    x = 421,174.72

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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.