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Finding the Fourth Proportional to 633,824.01, 874,760.91 and 361,830.48

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Solution

The fourth proportional to 633,824.01, 874,760.91 and 361,830.48 is: 499,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,824.01 : 874,760.91 = 361,830.48 : x
  2. Step 2: Convert to fraction form
    633,824.01/874,760.91 = 361,830.48/x
  3. Step 3: Cross multiply
    633,824.01x = 874,760.91 × 361,830.48
  4. Step 4: Simplify right side
    633,824.01x = 316,515,159,950.54
  5. Step 5: Solve for x
    x = 316,515,159,950.54/633,824.01
  6. Step 6: Final answer
    x = 499,373.89

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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.