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Finding the Fourth Proportional to 562,242.60, 843,479.10 and 188,533.80

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Solution

The fourth proportional to 562,242.60, 843,479.10 and 188,533.80 is: 282,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,242.60 : 843,479.10 = 188,533.80 : x
  2. Step 2: Convert to fraction form
    562,242.60/843,479.10 = 188,533.80/x
  3. Step 3: Cross multiply
    562,242.60x = 843,479.10 × 188,533.80
  4. Step 4: Simplify right side
    562,242.60x = 159,024,319,943.58
  5. Step 5: Solve for x
    x = 159,024,319,943.58/562,242.60
  6. Step 6: Final answer
    x = 282,839.33

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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.