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Finding the Fourth Proportional to 317,907.57, 477,025.00 and 175,726.45

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Solution

The fourth proportional to 317,907.57, 477,025.00 and 175,726.45 is: 263,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,907.57 : 477,025.00 = 175,726.45 : x
  2. Step 2: Convert to fraction form
    317,907.57/477,025.00 = 175,726.45/x
  3. Step 3: Cross multiply
    317,907.57x = 477,025.00 × 175,726.45
  4. Step 4: Simplify right side
    317,907.57x = 83,825,907,284.95
  5. Step 5: Solve for x
    x = 83,825,907,284.95/317,907.57
  6. Step 6: Final answer
    x = 263,680.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.