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Finding the Fourth Proportional to 294,528.30, 406,332.09 and 170,326.32

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Solution

The fourth proportional to 294,528.30, 406,332.09 and 170,326.32 is: 234,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,528.30 : 406,332.09 = 170,326.32 : x
  2. Step 2: Convert to fraction form
    294,528.30/406,332.09 = 170,326.32/x
  3. Step 3: Cross multiply
    294,528.30x = 406,332.09 × 170,326.32
  4. Step 4: Simplify right side
    294,528.30x = 69,209,049,587.61
  5. Step 5: Solve for x
    x = 69,209,049,587.61/294,528.30
  6. Step 6: Final answer
    x = 234,982.68

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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.