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Finding the Fourth Proportional to 350,663.20, 525,994.80 and 323,629.60

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Solution

The fourth proportional to 350,663.20, 525,994.80 and 323,629.60 is: 485,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,663.20 : 525,994.80 = 323,629.60 : x
  2. Step 2: Convert to fraction form
    350,663.20/525,994.80 = 323,629.60/x
  3. Step 3: Cross multiply
    350,663.20x = 525,994.80 × 323,629.60
  4. Step 4: Simplify right side
    350,663.20x = 170,227,486,726.08
  5. Step 5: Solve for x
    x = 170,227,486,726.08/350,663.20
  6. Step 6: Final answer
    x = 485,444.40

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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.