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Finding the Fourth Proportional to 594,318.40, 820,154.56 and 322,385.64

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Solution

The fourth proportional to 594,318.40, 820,154.56 and 322,385.64 is: 444,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,318.40 : 820,154.56 = 322,385.64 : x
  2. Step 2: Convert to fraction form
    594,318.40/820,154.56 = 322,385.64/x
  3. Step 3: Cross multiply
    594,318.40x = 820,154.56 × 322,385.64
  4. Step 4: Simplify right side
    594,318.40x = 264,406,052,724.52
  5. Step 5: Solve for x
    x = 264,406,052,724.52/594,318.40
  6. Step 6: Final answer
    x = 444,889.56

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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.