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Finding the Fourth Proportional to 346,697.80, 520,046.70 and 323,369.80

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Solution

The fourth proportional to 346,697.80, 520,046.70 and 323,369.80 is: 485,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,697.80 : 520,046.70 = 323,369.80 : x
  2. Step 2: Convert to fraction form
    346,697.80/520,046.70 = 323,369.80/x
  3. Step 3: Cross multiply
    346,697.80x = 520,046.70 × 323,369.80
  4. Step 4: Simplify right side
    346,697.80x = 168,167,397,369.66
  5. Step 5: Solve for x
    x = 168,167,397,369.66/346,697.80
  6. Step 6: Final answer
    x = 485,054.70

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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.