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Finding the Fourth Proportional to 434,307.32, 599,355.96 and 243,316.64

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Solution

The fourth proportional to 434,307.32, 599,355.96 and 243,316.64 is: 335,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,307.32 : 599,355.96 = 243,316.64 : x
  2. Step 2: Convert to fraction form
    434,307.32/599,355.96 = 243,316.64/x
  3. Step 3: Cross multiply
    434,307.32x = 599,355.96 × 243,316.64
  4. Step 4: Simplify right side
    434,307.32x = 145,833,278,351.17
  5. Step 5: Solve for x
    x = 145,833,278,351.17/434,307.32
  6. Step 6: Final answer
    x = 335,783.61

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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.