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Finding the Fourth Proportional to 511,803.63, 766,130.81 and 333,927.63

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Solution

The fourth proportional to 511,803.63, 766,130.81 and 333,927.63 is: 499,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,803.63 : 766,130.81 = 333,927.63 : x
  2. Step 2: Convert to fraction form
    511,803.63/766,130.81 = 333,927.63/x
  3. Step 3: Cross multiply
    511,803.63x = 766,130.81 × 333,927.63
  4. Step 4: Simplify right side
    511,803.63x = 255,832,243,983.64
  5. Step 5: Solve for x
    x = 255,832,243,983.64/511,803.63
  6. Step 6: Final answer
    x = 499,864.07

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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.