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Finding the Fourth Proportional to 333,774.02, 501,710.79 and 289,946.54

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Solution

The fourth proportional to 333,774.02, 501,710.79 and 289,946.54 is: 435,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,774.02 : 501,710.79 = 289,946.54 : x
  2. Step 2: Convert to fraction form
    333,774.02/501,710.79 = 289,946.54/x
  3. Step 3: Cross multiply
    333,774.02x = 501,710.79 × 289,946.54
  4. Step 4: Simplify right side
    333,774.02x = 145,469,307,641.17
  5. Step 5: Solve for x
    x = 145,469,307,641.17/333,774.02
  6. Step 6: Final answer
    x = 435,831.73

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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.