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Finding the Fourth Proportional to 541,293.19, 746,910.66 and 311,765.11

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Solution

The fourth proportional to 541,293.19, 746,910.66 and 311,765.11 is: 430,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,293.19 : 746,910.66 = 311,765.11 : x
  2. Step 2: Convert to fraction form
    541,293.19/746,910.66 = 311,765.11/x
  3. Step 3: Cross multiply
    541,293.19x = 746,910.66 × 311,765.11
  4. Step 4: Simplify right side
    541,293.19x = 232,860,684,075.07
  5. Step 5: Solve for x
    x = 232,860,684,075.07/541,293.19
  6. Step 6: Final answer
    x = 430,193.26

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1.5x scale

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.