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Finding the Fourth Proportional to 304,001.70, 455,346.45 and 251,513.70

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Solution

The fourth proportional to 304,001.70, 455,346.45 and 251,513.70 is: 376,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,001.70 : 455,346.45 = 251,513.70 : x
  2. Step 2: Convert to fraction form
    304,001.70/455,346.45 = 251,513.70/x
  3. Step 3: Cross multiply
    304,001.70x = 455,346.45 × 251,513.70
  4. Step 4: Simplify right side
    304,001.70x = 114,525,870,421.37
  5. Step 5: Solve for x
    x = 114,525,870,421.37/304,001.70
  6. Step 6: Final answer
    x = 376,727.73

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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.