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Finding the Fourth Proportional to 413,548.80, 620,323.20 and 133,094.40

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Solution

The fourth proportional to 413,548.80, 620,323.20 and 133,094.40 is: 199,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,548.80 : 620,323.20 = 133,094.40 : x
  2. Step 2: Convert to fraction form
    413,548.80/620,323.20 = 133,094.40/x
  3. Step 3: Cross multiply
    413,548.80x = 620,323.20 × 133,094.40
  4. Step 4: Simplify right side
    413,548.80x = 82,561,544,110.08
  5. Step 5: Solve for x
    x = 82,561,544,110.08/413,548.80
  6. Step 6: Final answer
    x = 199,641.60

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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.