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Finding the Fourth Proportional to 505,861.92, 758,875.23 and 236,259.63

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Solution

The fourth proportional to 505,861.92, 758,875.23 and 236,259.63 is: 354,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,861.92 : 758,875.23 = 236,259.63 : x
  2. Step 2: Convert to fraction form
    505,861.92/758,875.23 = 236,259.63/x
  3. Step 3: Cross multiply
    505,861.92x = 758,875.23 × 236,259.63
  4. Step 4: Simplify right side
    505,861.92x = 179,291,581,055.97
  5. Step 5: Solve for x
    x = 179,291,581,055.97/505,861.92
  6. Step 6: Final answer
    x = 354,427.91

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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.