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Finding the Fourth Proportional to 474,212.18, 654,403.64 and 259,351.58

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Solution

The fourth proportional to 474,212.18, 654,403.64 and 259,351.58 is: 357,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,212.18 : 654,403.64 = 259,351.58 : x
  2. Step 2: Convert to fraction form
    474,212.18/654,403.64 = 259,351.58/x
  3. Step 3: Cross multiply
    474,212.18x = 654,403.64 × 259,351.58
  4. Step 4: Simplify right side
    474,212.18x = 169,720,617,991.75
  5. Step 5: Solve for x
    x = 169,720,617,991.75/474,212.18
  6. Step 6: Final answer
    x = 357,900.17

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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.