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Finding the Fourth Proportional to 358,483.16, 494,430.45 and 222,597.56

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Solution

The fourth proportional to 358,483.16, 494,430.45 and 222,597.56 is: 307,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,483.16 : 494,430.45 = 222,597.56 : x
  2. Step 2: Convert to fraction form
    358,483.16/494,430.45 = 222,597.56/x
  3. Step 3: Cross multiply
    358,483.16x = 494,430.45 × 222,597.56
  4. Step 4: Simplify right side
    358,483.16x = 110,059,011,759.70
  5. Step 5: Solve for x
    x = 110,059,011,759.70/358,483.16
  6. Step 6: Final answer
    x = 307,013.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.