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Finding the Fourth Proportional to 370,972, 556,530.15 and 157,737.46

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Solution

The fourth proportional to 370,972, 556,530.15 and 157,737.46 is: 236,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,972 : 556,530.15 = 157,737.46 : x
  2. Step 2: Convert to fraction form
    370,972/556,530.15 = 157,737.46/x
  3. Step 3: Cross multiply
    370,972x = 556,530.15 × 157,737.46
  4. Step 4: Simplify right side
    370,972x = 87,785,652,274.42
  5. Step 5: Solve for x
    x = 87,785,652,274.42/370,972
  6. Step 6: Final answer
    x = 236,636.87

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