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Finding the Fourth Proportional to 272,357.32, 375,699.60 and 163,433.48

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Solution

The fourth proportional to 272,357.32, 375,699.60 and 163,433.48 is: 225,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,357.32 : 375,699.60 = 163,433.48 : x
  2. Step 2: Convert to fraction form
    272,357.32/375,699.60 = 163,433.48/x
  3. Step 3: Cross multiply
    272,357.32x = 375,699.60 × 163,433.48
  4. Step 4: Simplify right side
    272,357.32x = 61,401,893,062.61
  5. Step 5: Solve for x
    x = 61,401,893,062.61/272,357.32
  6. Step 6: Final answer
    x = 225,446.09

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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.