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Finding the Fourth Proportional to 350,922.80, 526,384.20 and 314,181.20

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Solution

The fourth proportional to 350,922.80, 526,384.20 and 314,181.20 is: 471,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,922.80 : 526,384.20 = 314,181.20 : x
  2. Step 2: Convert to fraction form
    350,922.80/526,384.20 = 314,181.20/x
  3. Step 3: Cross multiply
    350,922.80x = 526,384.20 × 314,181.20
  4. Step 4: Simplify right side
    350,922.80x = 165,380,019,617.04
  5. Step 5: Solve for x
    x = 165,380,019,617.04/350,922.80
  6. Step 6: Final answer
    x = 471,271.80

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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.