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Finding the Fourth Proportional to 302,259.60, 453,405.62 and 91,881.56

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Solution

The fourth proportional to 302,259.60, 453,405.62 and 91,881.56 is: 137,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,259.60 : 453,405.62 = 91,881.56 : x
  2. Step 2: Convert to fraction form
    302,259.60/453,405.62 = 91,881.56/x
  3. Step 3: Cross multiply
    302,259.60x = 453,405.62 × 91,881.56
  4. Step 4: Simplify right side
    302,259.60x = 41,659,615,678.37
  5. Step 5: Solve for x
    x = 41,659,615,678.37/302,259.60
  6. Step 6: Final answer
    x = 137,827.27

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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.