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Finding the Fourth Proportional to 594,763.36, 820,755.12 and 322,818.40

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Solution

The fourth proportional to 594,763.36, 820,755.12 and 322,818.40 is: 445,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,763.36 : 820,755.12 = 322,818.40 : x
  2. Step 2: Convert to fraction form
    594,763.36/820,755.12 = 322,818.40/x
  3. Step 3: Cross multiply
    594,763.36x = 820,755.12 × 322,818.40
  4. Step 4: Simplify right side
    594,763.36x = 264,954,854,630.21
  5. Step 5: Solve for x
    x = 264,954,854,630.21/594,763.36
  6. Step 6: Final answer
    x = 445,479.45

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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.