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Finding the Fourth Proportional to 346,682.70, 520,024.05 and 293,538.60

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Solution

The fourth proportional to 346,682.70, 520,024.05 and 293,538.60 is: 440,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,682.70 : 520,024.05 = 293,538.60 : x
  2. Step 2: Convert to fraction form
    346,682.70/520,024.05 = 293,538.60/x
  3. Step 3: Cross multiply
    346,682.70x = 520,024.05 × 293,538.60
  4. Step 4: Simplify right side
    346,682.70x = 152,647,131,603.33
  5. Step 5: Solve for x
    x = 152,647,131,603.33/346,682.70
  6. Step 6: Final answer
    x = 440,307.90

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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.