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Finding the Fourth Proportional to 346,726.60, 520,089.90 and 226,976.20

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Solution

The fourth proportional to 346,726.60, 520,089.90 and 226,976.20 is: 340,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,726.60 : 520,089.90 = 226,976.20 : x
  2. Step 2: Convert to fraction form
    346,726.60/520,089.90 = 226,976.20/x
  3. Step 3: Cross multiply
    346,726.60x = 520,089.90 × 226,976.20
  4. Step 4: Simplify right side
    346,726.60x = 118,048,029,160.38
  5. Step 5: Solve for x
    x = 118,048,029,160.38/346,726.60
  6. Step 6: Final answer
    x = 340,464.30

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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.