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Finding the Fourth Proportional to 424,338.83, 585,421.86 and 242,953.83

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Solution

The fourth proportional to 424,338.83, 585,421.86 and 242,953.83 is: 335,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,338.83 : 585,421.86 = 242,953.83 : x
  2. Step 2: Convert to fraction form
    424,338.83/585,421.86 = 242,953.83/x
  3. Step 3: Cross multiply
    424,338.83x = 585,421.86 × 242,953.83
  4. Step 4: Simplify right side
    424,338.83x = 142,230,481,913.88
  5. Step 5: Solve for x
    x = 142,230,481,913.88/424,338.83
  6. Step 6: Final answer
    x = 335,181.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.