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Finding the Fourth Proportional to 370,880.54, 556,549.22 and 146,202.74

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Solution

The fourth proportional to 370,880.54, 556,549.22 and 146,202.74 is: 219,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,880.54 : 556,549.22 = 146,202.74 : x
  2. Step 2: Convert to fraction form
    370,880.54/556,549.22 = 146,202.74/x
  3. Step 3: Cross multiply
    370,880.54x = 556,549.22 × 146,202.74
  4. Step 4: Simplify right side
    370,880.54x = 81,369,018,491.62
  5. Step 5: Solve for x
    x = 81,369,018,491.62/370,880.54
  6. Step 6: Final answer
    x = 219,394.15

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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.