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Finding the Fourth Proportional to 294,807.96, 406,783.98 and 173,940.12

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Solution

The fourth proportional to 294,807.96, 406,783.98 and 173,940.12 is: 240,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,807.96 : 406,783.98 = 173,940.12 : x
  2. Step 2: Convert to fraction form
    294,807.96/406,783.98 = 173,940.12/x
  3. Step 3: Cross multiply
    294,807.96x = 406,783.98 × 173,940.12
  4. Step 4: Simplify right side
    294,807.96x = 70,756,054,295.28
  5. Step 5: Solve for x
    x = 70,756,054,295.28/294,807.96
  6. Step 6: Final answer
    x = 240,007.27

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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.