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Finding the Fourth Proportional to 500,913.96, 751,458.48 and 220,423.92

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Solution

The fourth proportional to 500,913.96, 751,458.48 and 220,423.92 is: 330,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,913.96 : 751,458.48 = 220,423.92 : x
  2. Step 2: Convert to fraction form
    500,913.96/751,458.48 = 220,423.92/x
  3. Step 3: Cross multiply
    500,913.96x = 751,458.48 × 220,423.92
  4. Step 4: Simplify right side
    500,913.96x = 165,639,423,878.84
  5. Step 5: Solve for x
    x = 165,639,423,878.84/500,913.96
  6. Step 6: Final answer
    x = 330,674.40

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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.