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Finding the Fourth Proportional to 553,884.48, 830,826.42 and 133,160.24

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Solution

The fourth proportional to 553,884.48, 830,826.42 and 133,160.24 is: 199,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,884.48 : 830,826.42 = 133,160.24 : x
  2. Step 2: Convert to fraction form
    553,884.48/830,826.42 = 133,160.24/x
  3. Step 3: Cross multiply
    553,884.48x = 830,826.42 × 133,160.24
  4. Step 4: Simplify right side
    553,884.48x = 110,633,045,485.54
  5. Step 5: Solve for x
    x = 110,633,045,485.54/553,884.48
  6. Step 6: Final answer
    x = 199,740.29

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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.