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Finding the Fourth Proportional to 635,735.08, 877,323.72 and 345,352.08

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Solution

The fourth proportional to 635,735.08, 877,323.72 and 345,352.08 is: 476,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,735.08 : 877,323.72 = 345,352.08 : x
  2. Step 2: Convert to fraction form
    635,735.08/877,323.72 = 345,352.08/x
  3. Step 3: Cross multiply
    635,735.08x = 877,323.72 × 345,352.08
  4. Step 4: Simplify right side
    635,735.08x = 302,985,571,535.34
  5. Step 5: Solve for x
    x = 302,985,571,535.34/635,735.08
  6. Step 6: Final answer
    x = 476,590.93

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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.