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Finding the Fourth Proportional to 615,920.70, 923,794.65 and 195,239.10

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Solution

The fourth proportional to 615,920.70, 923,794.65 and 195,239.10 is: 292,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,920.70 : 923,794.65 = 195,239.10 : x
  2. Step 2: Convert to fraction form
    615,920.70/923,794.65 = 195,239.10/x
  3. Step 3: Cross multiply
    615,920.70x = 923,794.65 × 195,239.10
  4. Step 4: Simplify right side
    615,920.70x = 180,360,836,050.82
  5. Step 5: Solve for x
    x = 180,360,836,050.82/615,920.70
  6. Step 6: Final answer
    x = 292,831.26

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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.