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Finding the Fourth Proportional to 450,001.74, 621,021.69 and 246,040.50

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Solution

The fourth proportional to 450,001.74, 621,021.69 and 246,040.50 is: 339,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,001.74 : 621,021.69 = 246,040.50 : x
  2. Step 2: Convert to fraction form
    450,001.74/621,021.69 = 246,040.50/x
  3. Step 3: Cross multiply
    450,001.74x = 621,021.69 × 246,040.50
  4. Step 4: Simplify right side
    450,001.74x = 152,796,487,118.45
  5. Step 5: Solve for x
    x = 152,796,487,118.45/450,001.74
  6. Step 6: Final answer
    x = 339,546.44

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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.