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Finding the Fourth Proportional to 464,813.30, 697,223.03 and 127,889.55

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Solution

The fourth proportional to 464,813.30, 697,223.03 and 127,889.55 is: 191,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,813.30 : 697,223.03 = 127,889.55 : x
  2. Step 2: Convert to fraction form
    464,813.30/697,223.03 = 127,889.55/x
  3. Step 3: Cross multiply
    464,813.30x = 697,223.03 × 127,889.55
  4. Step 4: Simplify right side
    464,813.30x = 89,167,538,916.89
  5. Step 5: Solve for x
    x = 89,167,538,916.89/464,813.30
  6. Step 6: Final answer
    x = 191,835.17

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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.