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Finding the Fourth Proportional to 350,970.64, 526,492.88 and 114,331.78

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Solution

The fourth proportional to 350,970.64, 526,492.88 and 114,331.78 is: 171,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,970.64 : 526,492.88 = 114,331.78 : x
  2. Step 2: Convert to fraction form
    350,970.64/526,492.88 = 114,331.78/x
  3. Step 3: Cross multiply
    350,970.64x = 526,492.88 × 114,331.78
  4. Step 4: Simplify right side
    350,970.64x = 60,194,868,127.73
  5. Step 5: Solve for x
    x = 60,194,868,127.73/350,970.64
  6. Step 6: Final answer
    x = 171,509.70

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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.