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Finding the Fourth Proportional to 894,612.80, 1,341,458.40 and 333,358.40

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Solution

The fourth proportional to 894,612.80, 1,341,458.40 and 333,358.40 is: 499,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,612.80 : 1,341,458.40 = 333,358.40 : x
  2. Step 2: Convert to fraction form
    894,612.80/1,341,458.40 = 333,358.40/x
  3. Step 3: Cross multiply
    894,612.80x = 1,341,458.40 × 333,358.40
  4. Step 4: Simplify right side
    894,612.80x = 447,186,425,890.56
  5. Step 5: Solve for x
    x = 447,186,425,890.56/894,612.80
  6. Step 6: Final answer
    x = 499,865.89

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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.