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Finding the Fourth Proportional to 458,615.94, 632,948.27 and 277,329.12

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Solution

The fourth proportional to 458,615.94, 632,948.27 and 277,329.12 is: 382,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,615.94 : 632,948.27 = 277,329.12 : x
  2. Step 2: Convert to fraction form
    458,615.94/632,948.27 = 277,329.12/x
  3. Step 3: Cross multiply
    458,615.94x = 632,948.27 × 277,329.12
  4. Step 4: Simplify right side
    458,615.94x = 175,534,986,724.62
  5. Step 5: Solve for x
    x = 175,534,986,724.62/458,615.94
  6. Step 6: Final answer
    x = 382,749.42

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1.5x scale

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.