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Finding the Fourth Proportional to 346,736.60, 520,104.90 and 246,685.40

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Solution

The fourth proportional to 346,736.60, 520,104.90 and 246,685.40 is: 370,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,736.60 : 520,104.90 = 246,685.40 : x
  2. Step 2: Convert to fraction form
    346,736.60/520,104.90 = 246,685.40/x
  3. Step 3: Cross multiply
    346,736.60x = 520,104.90 × 246,685.40
  4. Step 4: Simplify right side
    346,736.60x = 128,302,285,298.46
  5. Step 5: Solve for x
    x = 128,302,285,298.46/346,736.60
  6. Step 6: Final answer
    x = 370,028.10

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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.