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Finding the Fourth Proportional to 511,805.64, 766,133.80 and 333,929.64

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Solution

The fourth proportional to 511,805.64, 766,133.80 and 333,929.64 is: 499,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,805.64 : 766,133.80 = 333,929.64 : x
  2. Step 2: Convert to fraction form
    511,805.64/766,133.80 = 333,929.64/x
  3. Step 3: Cross multiply
    511,805.64x = 766,133.80 × 333,929.64
  4. Step 4: Simplify right side
    511,805.64x = 255,834,784,025.83
  5. Step 5: Solve for x
    x = 255,834,784,025.83/511,805.64
  6. Step 6: Final answer
    x = 499,867.07

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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.