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Finding the Fourth Proportional to 344,385, 475,036.85 and 236,768.20

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Solution

The fourth proportional to 344,385, 475,036.85 and 236,768.20 is: 326,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,385 : 475,036.85 = 236,768.20 : x
  2. Step 2: Convert to fraction form
    344,385/475,036.85 = 236,768.20/x
  3. Step 3: Cross multiply
    344,385x = 475,036.85 × 236,768.20
  4. Step 4: Simplify right side
    344,385x = 112,473,619,312.50
  5. Step 5: Solve for x
    x = 112,473,619,312.50/344,385
  6. Step 6: Final answer
    x = 326,592.68

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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.