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Finding the Fourth Proportional to 458,347.36, 632,506.52 and 251,615.72

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Solution

The fourth proportional to 458,347.36, 632,506.52 and 251,615.72 is: 347,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,347.36 : 632,506.52 = 251,615.72 : x
  2. Step 2: Convert to fraction form
    458,347.36/632,506.52 = 251,615.72/x
  3. Step 3: Cross multiply
    458,347.36x = 632,506.52 × 251,615.72
  4. Step 4: Simplify right side
    458,347.36x = 159,148,580,271.96
  5. Step 5: Solve for x
    x = 159,148,580,271.96/458,347.36
  6. Step 6: Final answer
    x = 347,222.64

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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.