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Finding the Fourth Proportional to 350,012.40, 524,435.40 and 329,017.20

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Solution

The fourth proportional to 350,012.40, 524,435.40 and 329,017.20 is: 492,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,012.40 : 524,435.40 = 329,017.20 : x
  2. Step 2: Convert to fraction form
    350,012.40/524,435.40 = 329,017.20/x
  3. Step 3: Cross multiply
    350,012.40x = 524,435.40 × 329,017.20
  4. Step 4: Simplify right side
    350,012.40x = 172,548,266,888.88
  5. Step 5: Solve for x
    x = 172,548,266,888.88/350,012.40
  6. Step 6: Final answer
    x = 492,977.58

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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.