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Finding the Fourth Proportional to 585,781.43, 808,550.23 and 340,823.82

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Solution

The fourth proportional to 585,781.43, 808,550.23 and 340,823.82 is: 470,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,781.43 : 808,550.23 = 340,823.82 : x
  2. Step 2: Convert to fraction form
    585,781.43/808,550.23 = 340,823.82/x
  3. Step 3: Cross multiply
    585,781.43x = 808,550.23 × 340,823.82
  4. Step 4: Simplify right side
    585,781.43x = 275,573,178,050.48
  5. Step 5: Solve for x
    x = 275,573,178,050.48/585,781.43
  6. Step 6: Final answer
    x = 470,436.86

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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.