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Finding the Fourth Proportional to 438,070.97, 604,811.61 and 335,900.15

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Solution

The fourth proportional to 438,070.97, 604,811.61 and 335,900.15 is: 463,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,070.97 : 604,811.61 = 335,900.15 : x
  2. Step 2: Convert to fraction form
    438,070.97/604,811.61 = 335,900.15/x
  3. Step 3: Cross multiply
    438,070.97x = 604,811.61 × 335,900.15
  4. Step 4: Simplify right side
    438,070.97x = 203,156,307,496.68
  5. Step 5: Solve for x
    x = 203,156,307,496.68/438,070.97
  6. Step 6: Final answer
    x = 463,752.05

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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.