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Finding the Fourth Proportional to 294,492.72, 441,809.64 and 94,831.88

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Solution

The fourth proportional to 294,492.72, 441,809.64 and 94,831.88 is: 142,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,492.72 : 441,809.64 = 94,831.88 : x
  2. Step 2: Convert to fraction form
    294,492.72/441,809.64 = 94,831.88/x
  3. Step 3: Cross multiply
    294,492.72x = 441,809.64 × 94,831.88
  4. Step 4: Simplify right side
    294,492.72x = 41,897,638,763.32
  5. Step 5: Solve for x
    x = 41,897,638,763.32/294,492.72
  6. Step 6: Final answer
    x = 142,270.54

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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.