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Finding the Fourth Proportional to 370,597.16, 511,226.87 and 225,447.34

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Solution

The fourth proportional to 370,597.16, 511,226.87 and 225,447.34 is: 310,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,597.16 : 511,226.87 = 225,447.34 : x
  2. Step 2: Convert to fraction form
    370,597.16/511,226.87 = 225,447.34/x
  3. Step 3: Cross multiply
    370,597.16x = 511,226.87 × 225,447.34
  4. Step 4: Simplify right side
    370,597.16x = 115,254,737,263.58
  5. Step 5: Solve for x
    x = 115,254,737,263.58/370,597.16
  6. Step 6: Final answer
    x = 310,997.36

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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.