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Finding the Fourth Proportional to 523,347.22, 785,178.42 and 163,503.54

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Solution

The fourth proportional to 523,347.22, 785,178.42 and 163,503.54 is: 245,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,347.22 : 785,178.42 = 163,503.54 : x
  2. Step 2: Convert to fraction form
    523,347.22/785,178.42 = 163,503.54/x
  3. Step 3: Cross multiply
    523,347.22x = 785,178.42 × 163,503.54
  4. Step 4: Simplify right side
    523,347.22x = 128,379,451,201.61
  5. Step 5: Solve for x
    x = 128,379,451,201.61/523,347.22
  6. Step 6: Final answer
    x = 245,304.54

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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.