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Finding the Fourth Proportional to 707,570.58, 976,317.66 and 417,273.21

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Solution

The fourth proportional to 707,570.58, 976,317.66 and 417,273.21 is: 575,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,570.58 : 976,317.66 = 417,273.21 : x
  2. Step 2: Convert to fraction form
    707,570.58/976,317.66 = 417,273.21/x
  3. Step 3: Cross multiply
    707,570.58x = 976,317.66 × 417,273.21
  4. Step 4: Simplify right side
    707,570.58x = 407,391,203,967.89
  5. Step 5: Solve for x
    x = 407,391,203,967.89/707,570.58
  6. Step 6: Final answer
    x = 575,760.52

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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.