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Finding the Fourth Proportional to 566,039.70, 847,919.79 and 262,005.30

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Solution

The fourth proportional to 566,039.70, 847,919.79 and 262,005.30 is: 392,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,039.70 : 847,919.79 = 262,005.30 : x
  2. Step 2: Convert to fraction form
    566,039.70/847,919.79 = 262,005.30/x
  3. Step 3: Cross multiply
    566,039.70x = 847,919.79 × 262,005.30
  4. Step 4: Simplify right side
    566,039.70x = 222,159,478,954.89
  5. Step 5: Solve for x
    x = 222,159,478,954.89/566,039.70
  6. Step 6: Final answer
    x = 392,480.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.