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Finding the Fourth Proportional to 329,873.40, 494,810.10 and 152,321.40

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Solution

The fourth proportional to 329,873.40, 494,810.10 and 152,321.40 is: 228,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,873.40 : 494,810.10 = 152,321.40 : x
  2. Step 2: Convert to fraction form
    329,873.40/494,810.10 = 152,321.40/x
  3. Step 3: Cross multiply
    329,873.40x = 494,810.10 × 152,321.40
  4. Step 4: Simplify right side
    329,873.40x = 75,370,167,166.14
  5. Step 5: Solve for x
    x = 75,370,167,166.14/329,873.40
  6. Step 6: Final answer
    x = 228,482.10

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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.