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Finding the Fourth Proportional to 507,079.49, 699,743.10 and 277,592.81

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Solution

The fourth proportional to 507,079.49, 699,743.10 and 277,592.81 is: 383,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,079.49 : 699,743.10 = 277,592.81 : x
  2. Step 2: Convert to fraction form
    507,079.49/699,743.10 = 277,592.81/x
  3. Step 3: Cross multiply
    507,079.49x = 699,743.10 × 277,592.81
  4. Step 4: Simplify right side
    507,079.49x = 194,243,649,908.40
  5. Step 5: Solve for x
    x = 194,243,649,908.40/507,079.49
  6. Step 6: Final answer
    x = 383,063.51

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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.