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Finding the Fourth Proportional to 633,530.64, 874,249.48 and 361,612.56

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Solution

The fourth proportional to 633,530.64, 874,249.48 and 361,612.56 is: 499,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,530.64 : 874,249.48 = 361,612.56 : x
  2. Step 2: Convert to fraction form
    633,530.64/874,249.48 = 361,612.56/x
  3. Step 3: Cross multiply
    633,530.64x = 874,249.48 × 361,612.56
  4. Step 4: Simplify right side
    633,530.64x = 316,139,592,541.47
  5. Step 5: Solve for x
    x = 316,139,592,541.47/633,530.64
  6. Step 6: Final answer
    x = 499,012.32

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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.