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Finding the Fourth Proportional to 507,001.09, 699,661.46 and 277,557.66

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Solution

The fourth proportional to 507,001.09, 699,661.46 and 277,557.66 is: 383,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,001.09 : 699,661.46 = 277,557.66 : x
  2. Step 2: Convert to fraction form
    507,001.09/699,661.46 = 277,557.66/x
  3. Step 3: Cross multiply
    507,001.09x = 699,661.46 × 277,557.66
  4. Step 4: Simplify right side
    507,001.09x = 194,196,397,629.78
  5. Step 5: Solve for x
    x = 194,196,397,629.78/507,001.09
  6. Step 6: Final answer
    x = 383,029.55

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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.