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Finding the Fourth Proportional to 461,987.50, 637,542.75 and 250,019.50

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Solution

The fourth proportional to 461,987.50, 637,542.75 and 250,019.50 is: 345,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,987.50 : 637,542.75 = 250,019.50 : x
  2. Step 2: Convert to fraction form
    461,987.50/637,542.75 = 250,019.50/x
  3. Step 3: Cross multiply
    461,987.50x = 637,542.75 × 250,019.50
  4. Step 4: Simplify right side
    461,987.50x = 159,398,119,583.63
  5. Step 5: Solve for x
    x = 159,398,119,583.63/461,987.50
  6. Step 6: Final answer
    x = 345,026.91

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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.