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Finding the Fourth Proportional to 562,406.80, 843,610.20 and 188,429.80

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Solution

The fourth proportional to 562,406.80, 843,610.20 and 188,429.80 is: 282,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,406.80 : 843,610.20 = 188,429.80 : x
  2. Step 2: Convert to fraction form
    562,406.80/843,610.20 = 188,429.80/x
  3. Step 3: Cross multiply
    562,406.80x = 843,610.20 × 188,429.80
  4. Step 4: Simplify right side
    562,406.80x = 158,961,301,263.96
  5. Step 5: Solve for x
    x = 158,961,301,263.96/562,406.80
  6. Step 6: Final answer
    x = 282,644.70

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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.