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Finding the Fourth Proportional to 350,003.60, 524,659.80 and 172,365.20

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Solution

The fourth proportional to 350,003.60, 524,659.80 and 172,365.20 is: 258,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,003.60 : 524,659.80 = 172,365.20 : x
  2. Step 2: Convert to fraction form
    350,003.60/524,659.80 = 172,365.20/x
  3. Step 3: Cross multiply
    350,003.60x = 524,659.80 × 172,365.20
  4. Step 4: Simplify right side
    350,003.60x = 90,433,091,358.96
  5. Step 5: Solve for x
    x = 90,433,091,358.96/350,003.60
  6. Step 6: Final answer
    x = 258,377.60

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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.