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Finding the Fourth Proportional to 566,882.94, 782,298.42 and 312,234.12

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Solution

The fourth proportional to 566,882.94, 782,298.42 and 312,234.12 is: 430,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,882.94 : 782,298.42 = 312,234.12 : x
  2. Step 2: Convert to fraction form
    566,882.94/782,298.42 = 312,234.12/x
  3. Step 3: Cross multiply
    566,882.94x = 782,298.42 × 312,234.12
  4. Step 4: Simplify right side
    566,882.94x = 244,260,258,746.09
  5. Step 5: Solve for x
    x = 244,260,258,746.09/566,882.94
  6. Step 6: Final answer
    x = 430,883.07

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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.