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Finding the Fourth Proportional to 584,767.22, 806,981.22 and 316,495.22

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Solution

The fourth proportional to 584,767.22, 806,981.22 and 316,495.22 is: 436,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,767.22 : 806,981.22 = 316,495.22 : x
  2. Step 2: Convert to fraction form
    584,767.22/806,981.22 = 316,495.22/x
  3. Step 3: Cross multiply
    584,767.22x = 806,981.22 × 316,495.22
  4. Step 4: Simplify right side
    584,767.22x = 255,405,698,759.77
  5. Step 5: Solve for x
    x = 255,405,698,759.77/584,767.22
  6. Step 6: Final answer
    x = 436,764.73

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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.