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Finding the Fourth Proportional to 358,503.46, 494,529.78 and 224,134.18

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Solution

The fourth proportional to 358,503.46, 494,529.78 and 224,134.18 is: 309,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,503.46 : 494,529.78 = 224,134.18 : x
  2. Step 2: Convert to fraction form
    358,503.46/494,529.78 = 224,134.18/x
  3. Step 3: Cross multiply
    358,503.46x = 494,529.78 × 224,134.18
  4. Step 4: Simplify right side
    358,503.46x = 110,841,026,725.88
  5. Step 5: Solve for x
    x = 110,841,026,725.88/358,503.46
  6. Step 6: Final answer
    x = 309,177.01

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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.