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Finding the Fourth Proportional to 633,384.34, 874,053.66 and 361,447.36

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Solution

The fourth proportional to 633,384.34, 874,053.66 and 361,447.36 is: 498,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,384.34 : 874,053.66 = 361,447.36 : x
  2. Step 2: Convert to fraction form
    633,384.34/874,053.66 = 361,447.36/x
  3. Step 3: Cross multiply
    633,384.34x = 874,053.66 × 361,447.36
  4. Step 4: Simplify right side
    633,384.34x = 315,924,387,905.34
  5. Step 5: Solve for x
    x = 315,924,387,905.34/633,384.34
  6. Step 6: Final answer
    x = 498,787.81

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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.