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Finding the Fourth Proportional to 633,552.74, 874,295.78 and 343,157.11

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Solution

The fourth proportional to 633,552.74, 874,295.78 and 343,157.11 is: 473,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,552.74 : 874,295.78 = 343,157.11 : x
  2. Step 2: Convert to fraction form
    633,552.74/874,295.78 = 343,157.11/x
  3. Step 3: Cross multiply
    633,552.74x = 874,295.78 × 343,157.11
  4. Step 4: Simplify right side
    633,552.74x = 300,020,809,248.47
  5. Step 5: Solve for x
    x = 300,020,809,248.47/633,552.74
  6. Step 6: Final answer
    x = 473,553.01

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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.