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Finding the Fourth Proportional to 922,809.06, 1,384,138.26 and 410,633.10

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Solution

The fourth proportional to 922,809.06, 1,384,138.26 and 410,633.10 is: 615,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,809.06 : 1,384,138.26 = 410,633.10 : x
  2. Step 2: Convert to fraction form
    922,809.06/1,384,138.26 = 410,633.10/x
  3. Step 3: Cross multiply
    922,809.06x = 1,384,138.26 × 410,633.10
  4. Step 4: Simplify right side
    922,809.06x = 568,372,984,532.41
  5. Step 5: Solve for x
    x = 568,372,984,532.41/922,809.06
  6. Step 6: Final answer
    x = 615,916.13

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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.