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Finding the Fourth Proportional to 605,036.52, 907,554.96 and 225,987.12

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Solution

The fourth proportional to 605,036.52, 907,554.96 and 225,987.12 is: 338,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,036.52 : 907,554.96 = 225,987.12 : x
  2. Step 2: Convert to fraction form
    605,036.52/907,554.96 = 225,987.12/x
  3. Step 3: Cross multiply
    605,036.52x = 907,554.96 × 225,987.12
  4. Step 4: Simplify right side
    605,036.52x = 205,095,731,652.12
  5. Step 5: Solve for x
    x = 205,095,731,652.12/605,036.52
  6. Step 6: Final answer
    x = 338,980.75

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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.