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Finding the Fourth Proportional to 435,705.10, 651,808.05 and 377,190.70

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Solution

The fourth proportional to 435,705.10, 651,808.05 and 377,190.70 is: 564,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,705.10 : 651,808.05 = 377,190.70 : x
  2. Step 2: Convert to fraction form
    435,705.10/651,808.05 = 377,190.70/x
  3. Step 3: Cross multiply
    435,705.10x = 651,808.05 × 377,190.70
  4. Step 4: Simplify right side
    435,705.10x = 245,855,934,645.14
  5. Step 5: Solve for x
    x = 245,855,934,645.14/435,705.10
  6. Step 6: Final answer
    x = 564,271.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.