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Finding the Fourth Proportional to 340,586.10, 510,879.15 and 235,610.10

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Solution

The fourth proportional to 340,586.10, 510,879.15 and 235,610.10 is: 353,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,586.10 : 510,879.15 = 235,610.10 : x
  2. Step 2: Convert to fraction form
    340,586.10/510,879.15 = 235,610.10/x
  3. Step 3: Cross multiply
    340,586.10x = 510,879.15 × 235,610.10
  4. Step 4: Simplify right side
    340,586.10x = 120,368,287,619.42
  5. Step 5: Solve for x
    x = 120,368,287,619.42/340,586.10
  6. Step 6: Final answer
    x = 353,415.15

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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.