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Finding the Fourth Proportional to 350,512.40, 526,114.20 and 173,219.60

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Solution

The fourth proportional to 350,512.40, 526,114.20 and 173,219.60 is: 260,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,512.40 : 526,114.20 = 173,219.60 : x
  2. Step 2: Convert to fraction form
    350,512.40/526,114.20 = 173,219.60/x
  3. Step 3: Cross multiply
    350,512.40x = 526,114.20 × 173,219.60
  4. Step 4: Simplify right side
    350,512.40x = 91,133,291,278.32
  5. Step 5: Solve for x
    x = 91,133,291,278.32/350,512.40
  6. Step 6: Final answer
    x = 260,000.19

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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.