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Finding the Fourth Proportional to 553,645.21, 830,557.25 and 233,845.16

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Solution

The fourth proportional to 553,645.21, 830,557.25 and 233,845.16 is: 350,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,645.21 : 830,557.25 = 233,845.16 : x
  2. Step 2: Convert to fraction form
    553,645.21/830,557.25 = 233,845.16/x
  3. Step 3: Cross multiply
    553,645.21x = 830,557.25 × 233,845.16
  4. Step 4: Simplify right side
    553,645.21x = 194,221,789,447.24
  5. Step 5: Solve for x
    x = 194,221,789,447.24/553,645.21
  6. Step 6: Final answer
    x = 350,805.51

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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.