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Finding the Fourth Proportional to 603,761.34, 832,843.70 and 377,013.18

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Solution

The fourth proportional to 603,761.34, 832,843.70 and 377,013.18 is: 520,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,761.34 : 832,843.70 = 377,013.18 : x
  2. Step 2: Convert to fraction form
    603,761.34/832,843.70 = 377,013.18/x
  3. Step 3: Cross multiply
    603,761.34x = 832,843.70 × 377,013.18
  4. Step 4: Simplify right side
    603,761.34x = 313,993,051,779.97
  5. Step 5: Solve for x
    x = 313,993,051,779.97/603,761.34
  6. Step 6: Final answer
    x = 520,061.54

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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.