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Finding the Fourth Proportional to 507,039.14, 699,722.28 and 277,592.58

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Solution

The fourth proportional to 507,039.14, 699,722.28 and 277,592.58 is: 383,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,039.14 : 699,722.28 = 277,592.58 : x
  2. Step 2: Convert to fraction form
    507,039.14/699,722.28 = 277,592.58/x
  3. Step 3: Cross multiply
    507,039.14x = 699,722.28 × 277,592.58
  4. Step 4: Simplify right side
    507,039.14x = 194,237,712,988.68
  5. Step 5: Solve for x
    x = 194,237,712,988.68/507,039.14
  6. Step 6: Final answer
    x = 383,082.29

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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.