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Finding the Fourth Proportional to 402,092.76, 554,900.94 and 232,326.84

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Solution

The fourth proportional to 402,092.76, 554,900.94 and 232,326.84 is: 320,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,092.76 : 554,900.94 = 232,326.84 : x
  2. Step 2: Convert to fraction form
    402,092.76/554,900.94 = 232,326.84/x
  3. Step 3: Cross multiply
    402,092.76x = 554,900.94 × 232,326.84
  4. Step 4: Simplify right side
    402,092.76x = 128,918,381,903.23
  5. Step 5: Solve for x
    x = 128,918,381,903.23/402,092.76
  6. Step 6: Final answer
    x = 320,618.51

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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.