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Finding the Fourth Proportional to 605,145.60, 835,028.48 and 350,461.44

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Solution

The fourth proportional to 605,145.60, 835,028.48 and 350,461.44 is: 483,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,145.60 : 835,028.48 = 350,461.44 : x
  2. Step 2: Convert to fraction form
    605,145.60/835,028.48 = 350,461.44/x
  3. Step 3: Cross multiply
    605,145.60x = 835,028.48 × 350,461.44
  4. Step 4: Simplify right side
    605,145.60x = 292,645,283,541.81
  5. Step 5: Solve for x
    x = 292,645,283,541.81/605,145.60
  6. Step 6: Final answer
    x = 483,594.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.