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Finding the Fourth Proportional to 438,035.94, 604,763.25 and 335,865.02

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Solution

The fourth proportional to 438,035.94, 604,763.25 and 335,865.02 is: 463,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,035.94 : 604,763.25 = 335,865.02 : x
  2. Step 2: Convert to fraction form
    438,035.94/604,763.25 = 335,865.02/x
  3. Step 3: Cross multiply
    438,035.94x = 604,763.25 × 335,865.02
  4. Step 4: Simplify right side
    438,035.94x = 203,118,822,654.99
  5. Step 5: Solve for x
    x = 203,118,822,654.99/438,035.94
  6. Step 6: Final answer
    x = 463,703.56

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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.