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Finding the Fourth Proportional to 635,133.96, 876,462.19 and 359,485.90

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Solution

The fourth proportional to 635,133.96, 876,462.19 and 359,485.90 is: 496,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,133.96 : 876,462.19 = 359,485.90 : x
  2. Step 2: Convert to fraction form
    635,133.96/876,462.19 = 359,485.90/x
  3. Step 3: Cross multiply
    635,133.96x = 876,462.19 × 359,485.90
  4. Step 4: Simplify right side
    635,133.96x = 315,075,796,098.25
  5. Step 5: Solve for x
    x = 315,075,796,098.25/635,133.96
  6. Step 6: Final answer
    x = 496,077.70

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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.