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Finding the Fourth Proportional to 416,879.48, 575,071.82 and 253,585.91

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Solution

The fourth proportional to 416,879.48, 575,071.82 and 253,585.91 is: 349,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,879.48 : 575,071.82 = 253,585.91 : x
  2. Step 2: Convert to fraction form
    416,879.48/575,071.82 = 253,585.91/x
  3. Step 3: Cross multiply
    416,879.48x = 575,071.82 × 253,585.91
  4. Step 4: Simplify right side
    416,879.48x = 145,830,106,646.77
  5. Step 5: Solve for x
    x = 145,830,106,646.77/416,879.48
  6. Step 6: Final answer
    x = 349,813.59

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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.