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Finding the Fourth Proportional to 571,700.94, 788,927.43 and 317,075.82

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Solution

The fourth proportional to 571,700.94, 788,927.43 and 317,075.82 is: 437,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,700.94 : 788,927.43 = 317,075.82 : x
  2. Step 2: Convert to fraction form
    571,700.94/788,927.43 = 317,075.82/x
  3. Step 3: Cross multiply
    571,700.94x = 788,927.43 × 317,075.82
  4. Step 4: Simplify right side
    571,700.94x = 250,149,811,787.74
  5. Step 5: Solve for x
    x = 250,149,811,787.74/571,700.94
  6. Step 6: Final answer
    x = 437,553.61

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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.