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Finding the Fourth Proportional to 605,079.24, 907,610.54 and 205,998.32

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Solution

The fourth proportional to 605,079.24, 907,610.54 and 205,998.32 is: 308,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,079.24 : 907,610.54 = 205,998.32 : x
  2. Step 2: Convert to fraction form
    605,079.24/907,610.54 = 205,998.32/x
  3. Step 3: Cross multiply
    605,079.24x = 907,610.54 × 205,998.32
  4. Step 4: Simplify right side
    605,079.24x = 186,966,240,886.25
  5. Step 5: Solve for x
    x = 186,966,240,886.25/605,079.24
  6. Step 6: Final answer
    x = 308,994.64

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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.