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Finding the Fourth Proportional to 448,017.36, 671,792.72 and 211,296.48

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Solution

The fourth proportional to 448,017.36, 671,792.72 and 211,296.48 is: 316,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,017.36 : 671,792.72 = 211,296.48 : x
  2. Step 2: Convert to fraction form
    448,017.36/671,792.72 = 211,296.48/x
  3. Step 3: Cross multiply
    448,017.36x = 671,792.72 × 211,296.48
  4. Step 4: Simplify right side
    448,017.36x = 141,947,437,025.63
  5. Step 5: Solve for x
    x = 141,947,437,025.63/448,017.36
  6. Step 6: Final answer
    x = 316,834.68

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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.