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Finding the Fourth Proportional to 605,215.60, 907,823.40 and 576,185.20

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Solution

The fourth proportional to 605,215.60, 907,823.40 and 576,185.20 is: 864,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,215.60 : 907,823.40 = 576,185.20 : x
  2. Step 2: Convert to fraction form
    605,215.60/907,823.40 = 576,185.20/x
  3. Step 3: Cross multiply
    605,215.60x = 907,823.40 × 576,185.20
  4. Step 4: Simplify right side
    605,215.60x = 523,074,407,293.68
  5. Step 5: Solve for x
    x = 523,074,407,293.68/605,215.60
  6. Step 6: Final answer
    x = 864,277.80

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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.