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Finding the Fourth Proportional to 341,343.90, 512,015.85 and 235,055.70

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Solution

The fourth proportional to 341,343.90, 512,015.85 and 235,055.70 is: 352,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,343.90 : 512,015.85 = 235,055.70 : x
  2. Step 2: Convert to fraction form
    341,343.90/512,015.85 = 235,055.70/x
  3. Step 3: Cross multiply
    341,343.90x = 512,015.85 × 235,055.70
  4. Step 4: Simplify right side
    341,343.90x = 120,352,244,032.85
  5. Step 5: Solve for x
    x = 120,352,244,032.85/341,343.90
  6. Step 6: Final answer
    x = 352,583.55

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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.