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Finding the Fourth Proportional to 633,562.34, 874,337.90 and 347,082.35

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Solution

The fourth proportional to 633,562.34, 874,337.90 and 347,082.35 is: 478,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,562.34 : 874,337.90 = 347,082.35 : x
  2. Step 2: Convert to fraction form
    633,562.34/874,337.90 = 347,082.35/x
  3. Step 3: Cross multiply
    633,562.34x = 874,337.90 × 347,082.35
  4. Step 4: Simplify right side
    633,562.34x = 303,467,246,918.96
  5. Step 5: Solve for x
    x = 303,467,246,918.96/633,562.34
  6. Step 6: Final answer
    x = 478,985.62

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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.