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Finding the Fourth Proportional to 603,438.92, 832,653.14 and 348,740.92

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Solution

The fourth proportional to 603,438.92, 832,653.14 and 348,740.92 is: 481,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,438.92 : 832,653.14 = 348,740.92 : x
  2. Step 2: Convert to fraction form
    603,438.92/832,653.14 = 348,740.92/x
  3. Step 3: Cross multiply
    603,438.92x = 832,653.14 × 348,740.92
  4. Step 4: Simplify right side
    603,438.92x = 290,380,222,084.49
  5. Step 5: Solve for x
    x = 290,380,222,084.49/603,438.92
  6. Step 6: Final answer
    x = 481,208.97

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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.