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Finding the Fourth Proportional to 395,200.80, 592,801.20 and 181,968.30

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Solution

The fourth proportional to 395,200.80, 592,801.20 and 181,968.30 is: 272,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,200.80 : 592,801.20 = 181,968.30 : x
  2. Step 2: Convert to fraction form
    395,200.80/592,801.20 = 181,968.30/x
  3. Step 3: Cross multiply
    395,200.80x = 592,801.20 × 181,968.30
  4. Step 4: Simplify right side
    395,200.80x = 107,871,026,601.96
  5. Step 5: Solve for x
    x = 107,871,026,601.96/395,200.80
  6. Step 6: Final answer
    x = 272,952.45

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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.