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Finding the Fourth Proportional to 571,580.02, 788,599.02 and 329,830.66

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Solution

The fourth proportional to 571,580.02, 788,599.02 and 329,830.66 is: 455,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,580.02 : 788,599.02 = 329,830.66 : x
  2. Step 2: Convert to fraction form
    571,580.02/788,599.02 = 329,830.66/x
  3. Step 3: Cross multiply
    571,580.02x = 788,599.02 × 329,830.66
  4. Step 4: Simplify right side
    571,580.02x = 260,104,135,241.95
  5. Step 5: Solve for x
    x = 260,104,135,241.95/571,580.02
  6. Step 6: Final answer
    x = 455,061.63

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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.