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Finding the Fourth Proportional to 434,357.36, 599,405.64 and 243,370.16

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Solution

The fourth proportional to 434,357.36, 599,405.64 and 243,370.16 is: 335,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,357.36 : 599,405.64 = 243,370.16 : x
  2. Step 2: Convert to fraction form
    434,357.36/599,405.64 = 243,370.16/x
  3. Step 3: Cross multiply
    434,357.36x = 599,405.64 × 243,370.16
  4. Step 4: Simplify right side
    434,357.36x = 145,877,446,511.70
  5. Step 5: Solve for x
    x = 145,877,446,511.70/434,357.36
  6. Step 6: Final answer
    x = 335,846.61

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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.