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Finding the Fourth Proportional to 364,517.55, 546,612.30 and 139,803.30

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Solution

The fourth proportional to 364,517.55, 546,612.30 and 139,803.30 is: 209,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,517.55 : 546,612.30 = 139,803.30 : x
  2. Step 2: Convert to fraction form
    364,517.55/546,612.30 = 139,803.30/x
  3. Step 3: Cross multiply
    364,517.55x = 546,612.30 × 139,803.30
  4. Step 4: Simplify right side
    364,517.55x = 76,418,203,360.59
  5. Step 5: Solve for x
    x = 76,418,203,360.59/364,517.55
  6. Step 6: Final answer
    x = 209,642.04

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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.