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Finding the Fourth Proportional to 571,597.95, 788,803.88 and 316,942.59

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Solution

The fourth proportional to 571,597.95, 788,803.88 and 316,942.59 is: 437,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,597.95 : 788,803.88 = 316,942.59 : x
  2. Step 2: Convert to fraction form
    571,597.95/788,803.88 = 316,942.59/x
  3. Step 3: Cross multiply
    571,597.95x = 788,803.88 × 316,942.59
  4. Step 4: Simplify right side
    571,597.95x = 250,005,543,144.54
  5. Step 5: Solve for x
    x = 250,005,543,144.54/571,597.95
  6. Step 6: Final answer
    x = 437,380.06

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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.