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Finding the Fourth Proportional to 507,073.16, 699,733.20 and 277,586.06

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Solution

The fourth proportional to 507,073.16, 699,733.20 and 277,586.06 is: 383,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,073.16 : 699,733.20 = 277,586.06 : x
  2. Step 2: Convert to fraction form
    507,073.16/699,733.20 = 277,586.06/x
  3. Step 3: Cross multiply
    507,073.16x = 699,733.20 × 277,586.06
  4. Step 4: Simplify right side
    507,073.16x = 194,236,182,039.19
  5. Step 5: Solve for x
    x = 194,236,182,039.19/507,073.16
  6. Step 6: Final answer
    x = 383,053.57

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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.