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Finding the Fourth Proportional to 344,903.60, 517,047.60 and 134,492.60

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Solution

The fourth proportional to 344,903.60, 517,047.60 and 134,492.60 is: 201,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,903.60 : 517,047.60 = 134,492.60 : x
  2. Step 2: Convert to fraction form
    344,903.60/517,047.60 = 134,492.60/x
  3. Step 3: Cross multiply
    344,903.60x = 517,047.60 × 134,492.60
  4. Step 4: Simplify right side
    344,903.60x = 69,539,076,047.76
  5. Step 5: Solve for x
    x = 69,539,076,047.76/344,903.60
  6. Step 6: Final answer
    x = 201,618.88

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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.