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Finding the Fourth Proportional to 360,166.72, 497,047.44 and 216,971.68

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Solution

The fourth proportional to 360,166.72, 497,047.44 and 216,971.68 is: 299,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,166.72 : 497,047.44 = 216,971.68 : x
  2. Step 2: Convert to fraction form
    360,166.72/497,047.44 = 216,971.68/x
  3. Step 3: Cross multiply
    360,166.72x = 497,047.44 × 216,971.68
  4. Step 4: Simplify right side
    360,166.72x = 107,845,218,096.50
  5. Step 5: Solve for x
    x = 107,845,218,096.50/360,166.72
  6. Step 6: Final answer
    x = 299,431.38

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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.