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Finding the Fourth Proportional to 289,703.25, 434,048.15 and 201,013.11

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Solution

The fourth proportional to 289,703.25, 434,048.15 and 201,013.11 is: 301,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,703.25 : 434,048.15 = 201,013.11 : x
  2. Step 2: Convert to fraction form
    289,703.25/434,048.15 = 201,013.11/x
  3. Step 3: Cross multiply
    289,703.25x = 434,048.15 × 201,013.11
  4. Step 4: Simplify right side
    289,703.25x = 87,249,369,023.78
  5. Step 5: Solve for x
    x = 87,249,369,023.78/289,703.25
  6. Step 6: Final answer
    x = 301,168.07

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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.