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Finding the Fourth Proportional to 534,485.37, 801,765.48 and 214,637.22

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Solution

The fourth proportional to 534,485.37, 801,765.48 and 214,637.22 is: 321,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,485.37 : 801,765.48 = 214,637.22 : x
  2. Step 2: Convert to fraction form
    534,485.37/801,765.48 = 214,637.22/x
  3. Step 3: Cross multiply
    534,485.37x = 801,765.48 × 214,637.22
  4. Step 4: Simplify right side
    534,485.37x = 172,088,713,719.17
  5. Step 5: Solve for x
    x = 172,088,713,719.17/534,485.37
  6. Step 6: Final answer
    x = 321,970.86

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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.