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Finding the Fourth Proportional to 566,893.56, 782,313.04 and 312,244.74

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Solution

The fourth proportional to 566,893.56, 782,313.04 and 312,244.74 is: 430,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,893.56 : 782,313.04 = 312,244.74 : x
  2. Step 2: Convert to fraction form
    566,893.56/782,313.04 = 312,244.74/x
  3. Step 3: Cross multiply
    566,893.56x = 782,313.04 × 312,244.74
  4. Step 4: Simplify right side
    566,893.56x = 244,273,131,773.41
  5. Step 5: Solve for x
    x = 244,273,131,773.41/566,893.56
  6. Step 6: Final answer
    x = 430,897.70

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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.