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Finding the Fourth Proportional to 571,799.84, 788,825.04 and 356,992.88

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Solution

The fourth proportional to 571,799.84, 788,825.04 and 356,992.88 is: 492,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,799.84 : 788,825.04 = 356,992.88 : x
  2. Step 2: Convert to fraction form
    571,799.84/788,825.04 = 356,992.88/x
  3. Step 3: Cross multiply
    571,799.84x = 788,825.04 × 356,992.88
  4. Step 4: Simplify right side
    571,799.84x = 281,604,922,845.72
  5. Step 5: Solve for x
    x = 281,604,922,845.72/571,799.84
  6. Step 6: Final answer
    x = 492,488.64

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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.