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Finding the Fourth Proportional to 458,548.76, 683,637.26 and 446,895.47

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Solution

The fourth proportional to 458,548.76, 683,637.26 and 446,895.47 is: 666,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,548.76 : 683,637.26 = 446,895.47 : x
  2. Step 2: Convert to fraction form
    458,548.76/683,637.26 = 446,895.47/x
  3. Step 3: Cross multiply
    458,548.76x = 683,637.26 × 446,895.47
  4. Step 4: Simplify right side
    458,548.76x = 305,514,394,617.21
  5. Step 5: Solve for x
    x = 305,514,394,617.21/458,548.76
  6. Step 6: Final answer
    x = 666,263.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.