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Finding the Fourth Proportional to 590,801.19, 815,301.50 and 322,529.19

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Solution

The fourth proportional to 590,801.19, 815,301.50 and 322,529.19 is: 445,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,801.19 : 815,301.50 = 322,529.19 : x
  2. Step 2: Convert to fraction form
    590,801.19/815,301.50 = 322,529.19/x
  3. Step 3: Cross multiply
    590,801.19x = 815,301.50 × 322,529.19
  4. Step 4: Simplify right side
    590,801.19x = 262,958,530,788.14
  5. Step 5: Solve for x
    x = 262,958,530,788.14/590,801.19
  6. Step 6: Final answer
    x = 445,088.02

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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.