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Finding the Fourth Proportional to 566,892.87, 782,312.02 and 312,244.05

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Solution

The fourth proportional to 566,892.87, 782,312.02 and 312,244.05 is: 430,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,892.87 : 782,312.02 = 312,244.05 : x
  2. Step 2: Convert to fraction form
    566,892.87/782,312.02 = 312,244.05/x
  3. Step 3: Cross multiply
    566,892.87x = 782,312.02 × 312,244.05
  4. Step 4: Simplify right side
    566,892.87x = 244,272,275,641.54
  5. Step 5: Solve for x
    x = 244,272,275,641.54/566,892.87
  6. Step 6: Final answer
    x = 430,896.72

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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.