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Finding the Fourth Proportional to 304,999.50, 420,798.48 and 184,094.88

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Solution

The fourth proportional to 304,999.50, 420,798.48 and 184,094.88 is: 253,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,999.50 : 420,798.48 = 184,094.88 : x
  2. Step 2: Convert to fraction form
    304,999.50/420,798.48 = 184,094.88/x
  3. Step 3: Cross multiply
    304,999.50x = 420,798.48 × 184,094.88
  4. Step 4: Simplify right side
    304,999.50x = 77,466,845,679.78
  5. Step 5: Solve for x
    x = 77,466,845,679.78/304,999.50
  6. Step 6: Final answer
    x = 253,990.07

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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.