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Finding the Fourth Proportional to 615,708.90, 923,594.46 and 236,496.69

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Solution

The fourth proportional to 615,708.90, 923,594.46 and 236,496.69 is: 354,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,708.90 : 923,594.46 = 236,496.69 : x
  2. Step 2: Convert to fraction form
    615,708.90/923,594.46 = 236,496.69/x
  3. Step 3: Cross multiply
    615,708.90x = 923,594.46 × 236,496.69
  4. Step 4: Simplify right side
    615,708.90x = 218,427,032,692.34
  5. Step 5: Solve for x
    x = 218,427,032,692.34/615,708.90
  6. Step 6: Final answer
    x = 354,756.98

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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.