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Finding the Fourth Proportional to 434,879.10, 600,137.52 and 243,888.39

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Solution

The fourth proportional to 434,879.10, 600,137.52 and 243,888.39 is: 336,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,879.10 : 600,137.52 = 243,888.39 : x
  2. Step 2: Convert to fraction form
    434,879.10/600,137.52 = 243,888.39/x
  3. Step 3: Cross multiply
    434,879.10x = 600,137.52 × 243,888.39
  4. Step 4: Simplify right side
    434,879.10x = 146,366,573,531.39
  5. Step 5: Solve for x
    x = 146,366,573,531.39/434,879.10
  6. Step 6: Final answer
    x = 336,568.42

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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.