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Finding the Fourth Proportional to 753,645.25, 1,039,773 and 467,060.77

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Solution

The fourth proportional to 753,645.25, 1,039,773 and 467,060.77 is: 644,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,645.25 : 1,039,773 = 467,060.77 : x
  2. Step 2: Convert to fraction form
    753,645.25/1,039,773 = 467,060.77/x
  3. Step 3: Cross multiply
    753,645.25x = 1,039,773 × 467,060.77
  4. Step 4: Simplify right side
    753,645.25x = 485,637,178,005.21
  5. Step 5: Solve for x
    x = 485,637,178,005.21/753,645.25
  6. Step 6: Final answer
    x = 644,384.31

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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.