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Finding the Fourth Proportional to 633,525.69, 874,051.42 and 361,402.14

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Solution

The fourth proportional to 633,525.69, 874,051.42 and 361,402.14 is: 498,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,525.69 : 874,051.42 = 361,402.14 : x
  2. Step 2: Convert to fraction form
    633,525.69/874,051.42 = 361,402.14/x
  3. Step 3: Cross multiply
    633,525.69x = 874,051.42 × 361,402.14
  4. Step 4: Simplify right side
    633,525.69x = 315,884,053,658.04
  5. Step 5: Solve for x
    x = 315,884,053,658.04/633,525.69
  6. Step 6: Final answer
    x = 498,612.86

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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.