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Finding the Fourth Proportional to 395,092.40, 592,638.60 and 99,604.40

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Solution

The fourth proportional to 395,092.40, 592,638.60 and 99,604.40 is: 149,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,092.40 : 592,638.60 = 99,604.40 : x
  2. Step 2: Convert to fraction form
    395,092.40/592,638.60 = 99,604.40/x
  3. Step 3: Cross multiply
    395,092.40x = 592,638.60 × 99,604.40
  4. Step 4: Simplify right side
    395,092.40x = 59,029,412,169.84
  5. Step 5: Solve for x
    x = 59,029,412,169.84/395,092.40
  6. Step 6: Final answer
    x = 149,406.60

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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.