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Finding the Fourth Proportional to 423,351, 584,203.23 and 251,276.45

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Solution

The fourth proportional to 423,351, 584,203.23 and 251,276.45 is: 346,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,351 : 584,203.23 = 251,276.45 : x
  2. Step 2: Convert to fraction form
    423,351/584,203.23 = 251,276.45/x
  3. Step 3: Cross multiply
    423,351x = 584,203.23 × 251,276.45
  4. Step 4: Simplify right side
    423,351x = 146,796,510,791.92
  5. Step 5: Solve for x
    x = 146,796,510,791.92/423,351
  6. Step 6: Final answer
    x = 346,748.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.