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Finding the Fourth Proportional to 442,792.36, 610,339.62 and 299,500.12

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Solution

The fourth proportional to 442,792.36, 610,339.62 and 299,500.12 is: 412,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,792.36 : 610,339.62 = 299,500.12 : x
  2. Step 2: Convert to fraction form
    442,792.36/610,339.62 = 299,500.12/x
  3. Step 3: Cross multiply
    442,792.36x = 610,339.62 × 299,500.12
  4. Step 4: Simplify right side
    442,792.36x = 182,796,789,430.75
  5. Step 5: Solve for x
    x = 182,796,789,430.75/442,792.36
  6. Step 6: Final answer
    x = 412,827.33

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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.