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Finding the Fourth Proportional to 553,840.88, 830,841.50 and 174,632.90

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Solution

The fourth proportional to 553,840.88, 830,841.50 and 174,632.90 is: 261,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,840.88 : 830,841.50 = 174,632.90 : x
  2. Step 2: Convert to fraction form
    553,840.88/830,841.50 = 174,632.90/x
  3. Step 3: Cross multiply
    553,840.88x = 830,841.50 × 174,632.90
  4. Step 4: Simplify right side
    553,840.88x = 145,092,256,867.73
  5. Step 5: Solve for x
    x = 145,092,256,867.73/553,840.88
  6. Step 6: Final answer
    x = 261,974.63

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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.