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Finding the Fourth Proportional to 357,632.70, 536,449.05 and 224,606.40

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Solution

The fourth proportional to 357,632.70, 536,449.05 and 224,606.40 is: 336,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,632.70 : 536,449.05 = 224,606.40 : x
  2. Step 2: Convert to fraction form
    357,632.70/536,449.05 = 224,606.40/x
  3. Step 3: Cross multiply
    357,632.70x = 536,449.05 × 224,606.40
  4. Step 4: Simplify right side
    357,632.70x = 120,489,889,903.92
  5. Step 5: Solve for x
    x = 120,489,889,903.92/357,632.70
  6. Step 6: Final answer
    x = 336,909.60

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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.