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Finding the Fourth Proportional to 329,812.80, 494,800.20 and 93,152.40

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Solution

The fourth proportional to 329,812.80, 494,800.20 and 93,152.40 is: 139,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,812.80 : 494,800.20 = 93,152.40 : x
  2. Step 2: Convert to fraction form
    329,812.80/494,800.20 = 93,152.40/x
  3. Step 3: Cross multiply
    329,812.80x = 494,800.20 × 93,152.40
  4. Step 4: Simplify right side
    329,812.80x = 46,091,826,150.48
  5. Step 5: Solve for x
    x = 46,091,826,150.48/329,812.80
  6. Step 6: Final answer
    x = 139,751.48

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1.5x scale

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.