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Finding the Fourth Proportional to 531,403.88, 733,599.16 and 368,184.15

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Solution

The fourth proportional to 531,403.88, 733,599.16 and 368,184.15 is: 508,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,403.88 : 733,599.16 = 368,184.15 : x
  2. Step 2: Convert to fraction form
    531,403.88/733,599.16 = 368,184.15/x
  3. Step 3: Cross multiply
    531,403.88x = 733,599.16 × 368,184.15
  4. Step 4: Simplify right side
    531,403.88x = 270,099,582,244.85
  5. Step 5: Solve for x
    x = 270,099,582,244.85/531,403.88
  6. Step 6: Final answer
    x = 508,275.52

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Similar ratio
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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.