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Finding the Fourth Proportional to 614,632.36, 921,937.56 and 235,450.30

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Solution

The fourth proportional to 614,632.36, 921,937.56 and 235,450.30 is: 353,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,632.36 : 921,937.56 = 235,450.30 : x
  2. Step 2: Convert to fraction form
    614,632.36/921,937.56 = 235,450.30/x
  3. Step 3: Cross multiply
    614,632.36x = 921,937.56 × 235,450.30
  4. Step 4: Simplify right side
    614,632.36x = 217,070,475,083.27
  5. Step 5: Solve for x
    x = 217,070,475,083.27/614,632.36
  6. Step 6: Final answer
    x = 353,171.24

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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.