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Finding the Fourth Proportional to 353,904.88, 530,802.42 and 194,059.48

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Solution

The fourth proportional to 353,904.88, 530,802.42 and 194,059.48 is: 291,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,904.88 : 530,802.42 = 194,059.48 : x
  2. Step 2: Convert to fraction form
    353,904.88/530,802.42 = 194,059.48/x
  3. Step 3: Cross multiply
    353,904.88x = 530,802.42 × 194,059.48
  4. Step 4: Simplify right side
    353,904.88x = 103,007,241,607.94
  5. Step 5: Solve for x
    x = 103,007,241,607.94/353,904.88
  6. Step 6: Final answer
    x = 291,059.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.