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Finding the Fourth Proportional to 658,404.99, 987,535.71 and 446,533.90

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Solution

The fourth proportional to 658,404.99, 987,535.71 and 446,533.90 is: 669,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,404.99 : 987,535.71 = 446,533.90 : x
  2. Step 2: Convert to fraction form
    658,404.99/987,535.71 = 446,533.90/x
  3. Step 3: Cross multiply
    658,404.99x = 987,535.71 × 446,533.90
  4. Step 4: Simplify right side
    658,404.99x = 440,968,169,506.73
  5. Step 5: Solve for x
    x = 440,968,169,506.73/658,404.99
  6. Step 6: Final answer
    x = 669,752.17

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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.