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Finding the Fourth Proportional to 662,404.40, 993,736.20 and 283,324.40

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Solution

The fourth proportional to 662,404.40, 993,736.20 and 283,324.40 is: 425,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,404.40 : 993,736.20 = 283,324.40 : x
  2. Step 2: Convert to fraction form
    662,404.40/993,736.20 = 283,324.40/x
  3. Step 3: Cross multiply
    662,404.40x = 993,736.20 × 283,324.40
  4. Step 4: Simplify right side
    662,404.40x = 281,549,712,623.28
  5. Step 5: Solve for x
    x = 281,549,712,623.28/662,404.40
  6. Step 6: Final answer
    x = 425,042.03

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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.