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Finding the Fourth Proportional to 566,792.49, 782,164.19 and 312,167.37

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Solution

The fourth proportional to 566,792.49, 782,164.19 and 312,167.37 is: 430,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,792.49 : 782,164.19 = 312,167.37 : x
  2. Step 2: Convert to fraction form
    566,792.49/782,164.19 = 312,167.37/x
  3. Step 3: Cross multiply
    566,792.49x = 782,164.19 × 312,167.37
  4. Step 4: Simplify right side
    566,792.49x = 244,166,136,539.64
  5. Step 5: Solve for x
    x = 244,166,136,539.64/566,792.49
  6. Step 6: Final answer
    x = 430,785.77

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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.