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Finding the Fourth Proportional to 438,072.47, 604,813.68 and 335,901.65

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Solution

The fourth proportional to 438,072.47, 604,813.68 and 335,901.65 is: 463,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,072.47 : 604,813.68 = 335,901.65 : x
  2. Step 2: Convert to fraction form
    438,072.47/604,813.68 = 335,901.65/x
  3. Step 3: Cross multiply
    438,072.47x = 604,813.68 × 335,901.65
  4. Step 4: Simplify right side
    438,072.47x = 203,157,910,030.50
  5. Step 5: Solve for x
    x = 203,157,910,030.50/438,072.47
  6. Step 6: Final answer
    x = 463,754.12

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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.