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Finding the Fourth Proportional to 562,216.14, 775,637.03 and 346,982.54

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Solution

The fourth proportional to 562,216.14, 775,637.03 and 346,982.54 is: 478,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,216.14 : 775,637.03 = 346,982.54 : x
  2. Step 2: Convert to fraction form
    562,216.14/775,637.03 = 346,982.54/x
  3. Step 3: Cross multiply
    562,216.14x = 775,637.03 × 346,982.54
  4. Step 4: Simplify right side
    562,216.14x = 269,132,503,776.73
  5. Step 5: Solve for x
    x = 269,132,503,776.73/562,216.14
  6. Step 6: Final answer
    x = 478,699.36

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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.