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Finding the Fourth Proportional to 318,192.96, 439,094.48 and 174,944.48

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Solution

The fourth proportional to 318,192.96, 439,094.48 and 174,944.48 is: 241,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,192.96 : 439,094.48 = 174,944.48 : x
  2. Step 2: Convert to fraction form
    318,192.96/439,094.48 = 174,944.48/x
  3. Step 3: Cross multiply
    318,192.96x = 439,094.48 × 174,944.48
  4. Step 4: Simplify right side
    318,192.96x = 76,817,155,474.47
  5. Step 5: Solve for x
    x = 76,817,155,474.47/318,192.96
  6. Step 6: Final answer
    x = 241,416.89

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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.