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Finding the Fourth Proportional to 922,856.10, 1,384,284.15 and 566,715.30

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Solution

The fourth proportional to 922,856.10, 1,384,284.15 and 566,715.30 is: 850,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,856.10 : 1,384,284.15 = 566,715.30 : x
  2. Step 2: Convert to fraction form
    922,856.10/1,384,284.15 = 566,715.30/x
  3. Step 3: Cross multiply
    922,856.10x = 1,384,284.15 × 566,715.30
  4. Step 4: Simplify right side
    922,856.10x = 784,495,007,352.50
  5. Step 5: Solve for x
    x = 784,495,007,352.50/922,856.10
  6. Step 6: Final answer
    x = 850,072.95

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Double scale
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Similar ratio
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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.