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Finding the Fourth Proportional to 594,699.45, 820,686.05 and 322,767.35

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Solution

The fourth proportional to 594,699.45, 820,686.05 and 322,767.35 is: 445,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,699.45 : 820,686.05 = 322,767.35 : x
  2. Step 2: Convert to fraction form
    594,699.45/820,686.05 = 322,767.35/x
  3. Step 3: Cross multiply
    594,699.45x = 820,686.05 × 322,767.35
  4. Step 4: Simplify right side
    594,699.45x = 264,890,661,926.72
  5. Step 5: Solve for x
    x = 264,890,661,926.72/594,699.45
  6. Step 6: Final answer
    x = 445,419.38

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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.