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Finding the Fourth Proportional to 579,585.96, 799,532.10 and 386,326.44

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Solution

The fourth proportional to 579,585.96, 799,532.10 and 386,326.44 is: 532,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,585.96 : 799,532.10 = 386,326.44 : x
  2. Step 2: Convert to fraction form
    579,585.96/799,532.10 = 386,326.44/x
  3. Step 3: Cross multiply
    579,585.96x = 799,532.10 × 386,326.44
  4. Step 4: Simplify right side
    579,585.96x = 308,880,389,858.72
  5. Step 5: Solve for x
    x = 308,880,389,858.72/579,585.96
  6. Step 6: Final answer
    x = 532,932.84

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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.