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Finding the Fourth Proportional to 507,450.12, 700,281.74 and 274,877.53

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Solution

The fourth proportional to 507,450.12, 700,281.74 and 274,877.53 is: 379,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,450.12 : 700,281.74 = 274,877.53 : x
  2. Step 2: Convert to fraction form
    507,450.12/700,281.74 = 274,877.53/x
  3. Step 3: Cross multiply
    507,450.12x = 700,281.74 × 274,877.53
  4. Step 4: Simplify right side
    507,450.12x = 192,491,714,995.30
  5. Step 5: Solve for x
    x = 192,491,714,995.30/507,450.12
  6. Step 6: Final answer
    x = 379,331.30

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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.