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Finding the Fourth Proportional to 571,602.60, 788,754.69 and 329,963.04

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Solution

The fourth proportional to 571,602.60, 788,754.69 and 329,963.04 is: 455,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,602.60 : 788,754.69 = 329,963.04 : x
  2. Step 2: Convert to fraction form
    571,602.60/788,754.69 = 329,963.04/x
  3. Step 3: Cross multiply
    571,602.60x = 788,754.69 × 329,963.04
  4. Step 4: Simplify right side
    571,602.60x = 260,259,895,326.66
  5. Step 5: Solve for x
    x = 260,259,895,326.66/571,602.60
  6. Step 6: Final answer
    x = 455,316.15

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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.