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Finding the Fourth Proportional to 247,228.79, 370,459.55 and 171,475.22

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Solution

The fourth proportional to 247,228.79, 370,459.55 and 171,475.22 is: 256,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,228.79 : 370,459.55 = 171,475.22 : x
  2. Step 2: Convert to fraction form
    247,228.79/370,459.55 = 171,475.22/x
  3. Step 3: Cross multiply
    247,228.79x = 370,459.55 × 171,475.22
  4. Step 4: Simplify right side
    247,228.79x = 63,524,630,127.68
  5. Step 5: Solve for x
    x = 63,524,630,127.68/247,228.79
  6. Step 6: Final answer
    x = 256,946.74

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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.