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Finding the Fourth Proportional to 507,612.90, 761,200.65 and 254,795.70

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Solution

The fourth proportional to 507,612.90, 761,200.65 and 254,795.70 is: 382,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,612.90 : 761,200.65 = 254,795.70 : x
  2. Step 2: Convert to fraction form
    507,612.90/761,200.65 = 254,795.70/x
  3. Step 3: Cross multiply
    507,612.90x = 761,200.65 × 254,795.70
  4. Step 4: Simplify right side
    507,612.90x = 193,950,652,457.21
  5. Step 5: Solve for x
    x = 193,950,652,457.21/507,612.90
  6. Step 6: Final answer
    x = 382,083.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.