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Finding the Fourth Proportional to 329,095.70, 493,643.55 and 188,738.90

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Solution

The fourth proportional to 329,095.70, 493,643.55 and 188,738.90 is: 283,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,095.70 : 493,643.55 = 188,738.90 : x
  2. Step 2: Convert to fraction form
    329,095.70/493,643.55 = 188,738.90/x
  3. Step 3: Cross multiply
    329,095.70x = 493,643.55 × 188,738.90
  4. Step 4: Simplify right side
    329,095.70x = 93,169,740,619.10
  5. Step 5: Solve for x
    x = 93,169,740,619.10/329,095.70
  6. Step 6: Final answer
    x = 283,108.35

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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.