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Finding the Fourth Proportional to 633,761.52, 874,590.96 and 343,373.52

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Solution

The fourth proportional to 633,761.52, 874,590.96 and 343,373.52 is: 473,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,761.52 : 874,590.96 = 343,373.52 : x
  2. Step 2: Convert to fraction form
    633,761.52/874,590.96 = 343,373.52/x
  3. Step 3: Cross multiply
    633,761.52x = 874,590.96 × 343,373.52
  4. Step 4: Simplify right side
    633,761.52x = 300,311,376,495.38
  5. Step 5: Solve for x
    x = 300,311,376,495.38/633,761.52
  6. Step 6: Final answer
    x = 473,855.49

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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.