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Finding the Fourth Proportional to 410,188.70, 572,864.50 and 410,188.70

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Solution

The fourth proportional to 410,188.70, 572,864.50 and 410,188.70 is: 572,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,188.70 : 572,864.50 = 410,188.70 : x
  2. Step 2: Convert to fraction form
    410,188.70/572,864.50 = 410,188.70/x
  3. Step 3: Cross multiply
    410,188.70x = 572,864.50 × 410,188.70
  4. Step 4: Simplify right side
    410,188.70x = 234,982,544,531.15
  5. Step 5: Solve for x
    x = 234,982,544,531.15/410,188.70
  6. Step 6: Final answer
    x = 572,864.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.