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Finding the Fourth Proportional to 566,859.63, 782,266.28 and 312,210.81

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Solution

The fourth proportional to 566,859.63, 782,266.28 and 312,210.81 is: 430,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,859.63 : 782,266.28 = 312,210.81 : x
  2. Step 2: Convert to fraction form
    566,859.63/782,266.28 = 312,210.81/x
  3. Step 3: Cross multiply
    566,859.63x = 782,266.28 × 312,210.81
  4. Step 4: Simplify right side
    566,859.63x = 244,231,991,650.68
  5. Step 5: Solve for x
    x = 244,231,991,650.68/566,859.63
  6. Step 6: Final answer
    x = 430,850.92

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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.