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Finding the Fourth Proportional to 528,536.70, 792,831.78 and 149,484.78

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Solution

The fourth proportional to 528,536.70, 792,831.78 and 149,484.78 is: 224,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,536.70 : 792,831.78 = 149,484.78 : x
  2. Step 2: Convert to fraction form
    528,536.70/792,831.78 = 149,484.78/x
  3. Step 3: Cross multiply
    528,536.70x = 792,831.78 × 149,484.78
  4. Step 4: Simplify right side
    528,536.70x = 118,516,284,210.31
  5. Step 5: Solve for x
    x = 118,516,284,210.31/528,536.70
  6. Step 6: Final answer
    x = 224,234.73

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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.