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Finding the Fourth Proportional to 993,458.88, 1,490,202 and 283,486.71

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Solution

The fourth proportional to 993,458.88, 1,490,202 and 283,486.71 is: 425,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,458.88 : 1,490,202 = 283,486.71 : x
  2. Step 2: Convert to fraction form
    993,458.88/1,490,202 = 283,486.71/x
  3. Step 3: Cross multiply
    993,458.88x = 1,490,202 × 283,486.71
  4. Step 4: Simplify right side
    993,458.88x = 422,452,462,215.42
  5. Step 5: Solve for x
    x = 422,452,462,215.42/993,458.88
  6. Step 6: Final answer
    x = 425,233.97

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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.