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Finding the Fourth Proportional to 358,152.51, 494,107.17 and 229,061.22

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Solution

The fourth proportional to 358,152.51, 494,107.17 and 229,061.22 is: 316,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,152.51 : 494,107.17 = 229,061.22 : x
  2. Step 2: Convert to fraction form
    358,152.51/494,107.17 = 229,061.22/x
  3. Step 3: Cross multiply
    358,152.51x = 494,107.17 × 229,061.22
  4. Step 4: Simplify right side
    358,152.51x = 113,180,791,170.95
  5. Step 5: Solve for x
    x = 113,180,791,170.95/358,152.51
  6. Step 6: Final answer
    x = 316,012.84

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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.