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Finding the Fourth Proportional to 370,043.12, 510,671.87 and 226,775.48

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Solution

The fourth proportional to 370,043.12, 510,671.87 and 226,775.48 is: 312,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,043.12 : 510,671.87 = 226,775.48 : x
  2. Step 2: Convert to fraction form
    370,043.12/510,671.87 = 226,775.48/x
  3. Step 3: Cross multiply
    370,043.12x = 510,671.87 × 226,775.48
  4. Step 4: Simplify right side
    370,043.12x = 115,807,854,754.51
  5. Step 5: Solve for x
    x = 115,807,854,754.51/370,043.12
  6. Step 6: Final answer
    x = 312,957.73

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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.