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Finding the Fourth Proportional to 346,745.66, 520,160.18 and 122,059.43

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Solution

The fourth proportional to 346,745.66, 520,160.18 and 122,059.43 is: 183,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,745.66 : 520,160.18 = 122,059.43 : x
  2. Step 2: Convert to fraction form
    346,745.66/520,160.18 = 122,059.43/x
  3. Step 3: Cross multiply
    346,745.66x = 520,160.18 × 122,059.43
  4. Step 4: Simplify right side
    346,745.66x = 63,490,455,968.53
  5. Step 5: Solve for x
    x = 63,490,455,968.53/346,745.66
  6. Step 6: Final answer
    x = 183,103.82

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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.