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Finding the Fourth Proportional to 360,239.22, 497,059.45 and 217,007.11

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Solution

The fourth proportional to 360,239.22, 497,059.45 and 217,007.11 is: 299,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,239.22 : 497,059.45 = 217,007.11 : x
  2. Step 2: Convert to fraction form
    360,239.22/497,059.45 = 217,007.11/x
  3. Step 3: Cross multiply
    360,239.22x = 497,059.45 × 217,007.11
  4. Step 4: Simplify right side
    360,239.22x = 107,865,434,742.69
  5. Step 5: Solve for x
    x = 107,865,434,742.69/360,239.22
  6. Step 6: Final answer
    x = 299,427.24

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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.