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Finding the Fourth Proportional to 370,955.84, 556,059.78 and 146,229.26

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Solution

The fourth proportional to 370,955.84, 556,059.78 and 146,229.26 is: 219,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,955.84 : 556,059.78 = 146,229.26 : x
  2. Step 2: Convert to fraction form
    370,955.84/556,059.78 = 146,229.26/x
  3. Step 3: Cross multiply
    370,955.84x = 556,059.78 × 146,229.26
  4. Step 4: Simplify right side
    370,955.84x = 81,312,207,364.86
  5. Step 5: Solve for x
    x = 81,312,207,364.86/370,955.84
  6. Step 6: Final answer
    x = 219,196.46

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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.