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Finding the Fourth Proportional to 245,507.40, 367,823.70 and 151,903.80

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Solution

The fourth proportional to 245,507.40, 367,823.70 and 151,903.80 is: 227,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,507.40 : 367,823.70 = 151,903.80 : x
  2. Step 2: Convert to fraction form
    245,507.40/367,823.70 = 151,903.80/x
  3. Step 3: Cross multiply
    245,507.40x = 367,823.70 × 151,903.80
  4. Step 4: Simplify right side
    245,507.40x = 55,873,817,760.06
  5. Step 5: Solve for x
    x = 55,873,817,760.06/245,507.40
  6. Step 6: Final answer
    x = 227,585.07

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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.