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Finding the Fourth Proportional to 448,887.52, 619,477.76 and 247,696.48

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Solution

The fourth proportional to 448,887.52, 619,477.76 and 247,696.48 is: 341,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,887.52 : 619,477.76 = 247,696.48 : x
  2. Step 2: Convert to fraction form
    448,887.52/619,477.76 = 247,696.48/x
  3. Step 3: Cross multiply
    448,887.52x = 619,477.76 × 247,696.48
  4. Step 4: Simplify right side
    448,887.52x = 153,442,460,590.29
  5. Step 5: Solve for x
    x = 153,442,460,590.29/448,887.52
  6. Step 6: Final answer
    x = 341,828.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.