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Finding the Fourth Proportional to 586,460.88, 809,230 and 328,324.44

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Solution

The fourth proportional to 586,460.88, 809,230 and 328,324.44 is: 453,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,460.88 : 809,230 = 328,324.44 : x
  2. Step 2: Convert to fraction form
    586,460.88/809,230 = 328,324.44/x
  3. Step 3: Cross multiply
    586,460.88x = 809,230 × 328,324.44
  4. Step 4: Simplify right side
    586,460.88x = 265,689,986,581.20
  5. Step 5: Solve for x
    x = 265,689,986,581.20/586,460.88
  6. Step 6: Final answer
    x = 453,039.57

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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.