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Finding the Fourth Proportional to 370,477.89, 555,658.65 and 117,725.09

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Solution

The fourth proportional to 370,477.89, 555,658.65 and 117,725.09 is: 176,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,477.89 : 555,658.65 = 117,725.09 : x
  2. Step 2: Convert to fraction form
    370,477.89/555,658.65 = 117,725.09/x
  3. Step 3: Cross multiply
    370,477.89x = 555,658.65 × 117,725.09
  4. Step 4: Simplify right side
    370,477.89x = 65,414,961,802.24
  5. Step 5: Solve for x
    x = 65,414,961,802.24/370,477.89
  6. Step 6: Final answer
    x = 176,569.14

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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.