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Finding the Fourth Proportional to 502,353.54, 693,226.89 and 298,423.08

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Solution

The fourth proportional to 502,353.54, 693,226.89 and 298,423.08 is: 411,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,353.54 : 693,226.89 = 298,423.08 : x
  2. Step 2: Convert to fraction form
    502,353.54/693,226.89 = 298,423.08/x
  3. Step 3: Cross multiply
    502,353.54x = 693,226.89 × 298,423.08
  4. Step 4: Simplify right side
    502,353.54x = 206,874,903,652.62
  5. Step 5: Solve for x
    x = 206,874,903,652.62/502,353.54
  6. Step 6: Final answer
    x = 411,811.38

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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.