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Finding the Fourth Proportional to 585,226.40, 807,612.42 and 316,954.40

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Solution

The fourth proportional to 585,226.40, 807,612.42 and 316,954.40 is: 437,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,226.40 : 807,612.42 = 316,954.40 : x
  2. Step 2: Convert to fraction form
    585,226.40/807,612.42 = 316,954.40/x
  3. Step 3: Cross multiply
    585,226.40x = 807,612.42 × 316,954.40
  4. Step 4: Simplify right side
    585,226.40x = 255,976,310,013.65
  5. Step 5: Solve for x
    x = 255,976,310,013.65/585,226.40
  6. Step 6: Final answer
    x = 437,397.07

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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.