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Finding the Fourth Proportional to 400,173.63, 552,254.94 and 228,118.69

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Solution

The fourth proportional to 400,173.63, 552,254.94 and 228,118.69 is: 314,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,173.63 : 552,254.94 = 228,118.69 : x
  2. Step 2: Convert to fraction form
    400,173.63/552,254.94 = 228,118.69/x
  3. Step 3: Cross multiply
    400,173.63x = 552,254.94 × 228,118.69
  4. Step 4: Simplify right side
    400,173.63x = 125,979,673,458.83
  5. Step 5: Solve for x
    x = 125,979,673,458.83/400,173.63
  6. Step 6: Final answer
    x = 314,812.53

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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.