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Finding the Fourth Proportional to 471,726.35, 710,740.41 and 426,805.29

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Solution

The fourth proportional to 471,726.35, 710,740.41 and 426,805.29 is: 643,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,726.35 : 710,740.41 = 426,805.29 : x
  2. Step 2: Convert to fraction form
    471,726.35/710,740.41 = 426,805.29/x
  3. Step 3: Cross multiply
    471,726.35x = 710,740.41 × 426,805.29
  4. Step 4: Simplify right side
    471,726.35x = 303,347,766,804.77
  5. Step 5: Solve for x
    x = 303,347,766,804.77/471,726.35
  6. Step 6: Final answer
    x = 643,058.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.