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Finding the Fourth Proportional to 562,265.91, 775,945.58 and 307,617.21

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Solution

The fourth proportional to 562,265.91, 775,945.58 and 307,617.21 is: 424,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,265.91 : 775,945.58 = 307,617.21 : x
  2. Step 2: Convert to fraction form
    562,265.91/775,945.58 = 307,617.21/x
  3. Step 3: Cross multiply
    562,265.91x = 775,945.58 × 307,617.21
  4. Step 4: Simplify right side
    562,265.91x = 238,694,211,320.75
  5. Step 5: Solve for x
    x = 238,694,211,320.75/562,265.91
  6. Step 6: Final answer
    x = 424,521.94

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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.