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Finding the Fourth Proportional to 507,070.15, 699,729.06 and 277,583.05

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Solution

The fourth proportional to 507,070.15, 699,729.06 and 277,583.05 is: 383,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,070.15 : 699,729.06 = 277,583.05 : x
  2. Step 2: Convert to fraction form
    507,070.15/699,729.06 = 277,583.05/x
  3. Step 3: Cross multiply
    507,070.15x = 699,729.06 × 277,583.05
  4. Step 4: Simplify right side
    507,070.15x = 194,232,926,648.43
  5. Step 5: Solve for x
    x = 194,232,926,648.43/507,070.15
  6. Step 6: Final answer
    x = 383,049.42

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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.