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Finding the Fourth Proportional to 350,003.40, 524,421.90 and 329,008.20

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Solution

The fourth proportional to 350,003.40, 524,421.90 and 329,008.20 is: 492,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,003.40 : 524,421.90 = 329,008.20 : x
  2. Step 2: Convert to fraction form
    350,003.40/524,421.90 = 329,008.20/x
  3. Step 3: Cross multiply
    350,003.40x = 524,421.90 × 329,008.20
  4. Step 4: Simplify right side
    350,003.40x = 172,539,105,359.58
  5. Step 5: Solve for x
    x = 172,539,105,359.58/350,003.40
  6. Step 6: Final answer
    x = 492,964.08

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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.