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Finding the Fourth Proportional to 460,340.30, 689,344.05 and 367,028.30

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Solution

The fourth proportional to 460,340.30, 689,344.05 and 367,028.30 is: 549,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,340.30 : 689,344.05 = 367,028.30 : x
  2. Step 2: Convert to fraction form
    460,340.30/689,344.05 = 367,028.30/x
  3. Step 3: Cross multiply
    460,340.30x = 689,344.05 × 367,028.30
  4. Step 4: Simplify right side
    460,340.30x = 253,008,774,786.62
  5. Step 5: Solve for x
    x = 253,008,774,786.62/460,340.30
  6. Step 6: Final answer
    x = 549,612.48

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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.