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Finding the Fourth Proportional to 616,237.53, 923,765.80 and 260,762.55

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Solution

The fourth proportional to 616,237.53, 923,765.80 and 260,762.55 is: 390,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,237.53 : 923,765.80 = 260,762.55 : x
  2. Step 2: Convert to fraction form
    616,237.53/923,765.80 = 260,762.55/x
  3. Step 3: Cross multiply
    616,237.53x = 923,765.80 × 260,762.55
  4. Step 4: Simplify right side
    616,237.53x = 240,883,525,610.79
  5. Step 5: Solve for x
    x = 240,883,525,610.79/616,237.53
  6. Step 6: Final answer
    x = 390,893.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.