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Finding the Fourth Proportional to 615,762.60, 923,696.28 and 216,368.88

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Solution

The fourth proportional to 615,762.60, 923,696.28 and 216,368.88 is: 324,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,762.60 : 923,696.28 = 216,368.88 : x
  2. Step 2: Convert to fraction form
    615,762.60/923,696.28 = 216,368.88/x
  3. Step 3: Cross multiply
    615,762.60x = 923,696.28 × 216,368.88
  4. Step 4: Simplify right side
    615,762.60x = 199,859,129,563.77
  5. Step 5: Solve for x
    x = 199,859,129,563.77/615,762.60
  6. Step 6: Final answer
    x = 324,571.73

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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.