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Finding the Fourth Proportional to 633,586.25, 874,341.74 and 343,192.34

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Solution

The fourth proportional to 633,586.25, 874,341.74 and 343,192.34 is: 473,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,586.25 : 874,341.74 = 343,192.34 : x
  2. Step 2: Convert to fraction form
    633,586.25/874,341.74 = 343,192.34/x
  3. Step 3: Cross multiply
    633,586.25x = 874,341.74 × 343,192.34
  4. Step 4: Simplify right side
    633,586.25x = 300,067,390,754.11
  5. Step 5: Solve for x
    x = 300,067,390,754.11/633,586.25
  6. Step 6: Final answer
    x = 473,601.49

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Double scale
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Similar ratio
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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.