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Finding the Fourth Proportional to 510,838.12, 766,278.74 and 151,009.76

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Solution

The fourth proportional to 510,838.12, 766,278.74 and 151,009.76 is: 226,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,838.12 : 766,278.74 = 151,009.76 : x
  2. Step 2: Convert to fraction form
    510,838.12/766,278.74 = 151,009.76/x
  3. Step 3: Cross multiply
    510,838.12x = 766,278.74 × 151,009.76
  4. Step 4: Simplify right side
    510,838.12x = 115,715,568,620.50
  5. Step 5: Solve for x
    x = 115,715,568,620.50/510,838.12
  6. Step 6: Final answer
    x = 226,521.01

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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.