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Finding the Fourth Proportional to 437,574.56, 603,798.40 and 243,934.72

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Solution

The fourth proportional to 437,574.56, 603,798.40 and 243,934.72 is: 336,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,574.56 : 603,798.40 = 243,934.72 : x
  2. Step 2: Convert to fraction form
    437,574.56/603,798.40 = 243,934.72/x
  3. Step 3: Cross multiply
    437,574.56x = 603,798.40 × 243,934.72
  4. Step 4: Simplify right side
    437,574.56x = 147,287,393,640.45
  5. Step 5: Solve for x
    x = 147,287,393,640.45/437,574.56
  6. Step 6: Final answer
    x = 336,599.54

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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.