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Finding the Fourth Proportional to 578,504.67, 798,336.45 and 352,150.17

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Solution

The fourth proportional to 578,504.67, 798,336.45 and 352,150.17 is: 485,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,504.67 : 798,336.45 = 352,150.17 : x
  2. Step 2: Convert to fraction form
    578,504.67/798,336.45 = 352,150.17/x
  3. Step 3: Cross multiply
    578,504.67x = 798,336.45 × 352,150.17
  4. Step 4: Simplify right side
    578,504.67x = 281,134,316,584.70
  5. Step 5: Solve for x
    x = 281,134,316,584.70/578,504.67
  6. Step 6: Final answer
    x = 485,967.24

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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.