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Finding the Fourth Proportional to 615,527.88, 923,411.50 and 236,420.76

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Solution

The fourth proportional to 615,527.88, 923,411.50 and 236,420.76 is: 354,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,527.88 : 923,411.50 = 236,420.76 : x
  2. Step 2: Convert to fraction form
    615,527.88/923,411.50 = 236,420.76/x
  3. Step 3: Cross multiply
    615,527.88x = 923,411.50 × 236,420.76
  4. Step 4: Simplify right side
    615,527.88x = 218,313,648,622.74
  5. Step 5: Solve for x
    x = 218,313,648,622.74/615,527.88
  6. Step 6: Final answer
    x = 354,677.11

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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.