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Finding the Fourth Proportional to 606,886.40, 910,001.55 and 251,936.30

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Solution

The fourth proportional to 606,886.40, 910,001.55 and 251,936.30 is: 377,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,886.40 : 910,001.55 = 251,936.30 : x
  2. Step 2: Convert to fraction form
    606,886.40/910,001.55 = 251,936.30/x
  3. Step 3: Cross multiply
    606,886.40x = 910,001.55 × 251,936.30
  4. Step 4: Simplify right side
    606,886.40x = 229,262,423,501.27
  5. Step 5: Solve for x
    x = 229,262,423,501.27/606,886.40
  6. Step 6: Final answer
    x = 377,768.27

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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.