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Finding the Fourth Proportional to 452,381.34, 624,363.03 and 261,505.38

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Solution

The fourth proportional to 452,381.34, 624,363.03 and 261,505.38 is: 360,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,381.34 : 624,363.03 = 261,505.38 : x
  2. Step 2: Convert to fraction form
    452,381.34/624,363.03 = 261,505.38/x
  3. Step 3: Cross multiply
    452,381.34x = 624,363.03 × 261,505.38
  4. Step 4: Simplify right side
    452,381.34x = 163,274,291,418.10
  5. Step 5: Solve for x
    x = 163,274,291,418.10/452,381.34
  6. Step 6: Final answer
    x = 360,921.81

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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.