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Finding the Fourth Proportional to 403,829.60, 605,525.70 and 167,196.20

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Solution

The fourth proportional to 403,829.60, 605,525.70 and 167,196.20 is: 250,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,829.60 : 605,525.70 = 167,196.20 : x
  2. Step 2: Convert to fraction form
    403,829.60/605,525.70 = 167,196.20/x
  3. Step 3: Cross multiply
    403,829.60x = 605,525.70 × 167,196.20
  4. Step 4: Simplify right side
    403,829.60x = 101,241,596,042.34
  5. Step 5: Solve for x
    x = 101,241,596,042.34/403,829.60
  6. Step 6: Final answer
    x = 250,703.75

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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.