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Finding the Fourth Proportional to 613,597.29, 920,458.77 and 234,836.56

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Solution

The fourth proportional to 613,597.29, 920,458.77 and 234,836.56 is: 352,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,597.29 : 920,458.77 = 234,836.56 : x
  2. Step 2: Convert to fraction form
    613,597.29/920,458.77 = 234,836.56/x
  3. Step 3: Cross multiply
    613,597.29x = 920,458.77 × 234,836.56
  4. Step 4: Simplify right side
    613,597.29x = 216,157,371,168.63
  5. Step 5: Solve for x
    x = 216,157,371,168.63/613,597.29
  6. Step 6: Final answer
    x = 352,278.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.