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Finding the Fourth Proportional to 334,538.60, 501,807.90 and 234,811.40

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Solution

The fourth proportional to 334,538.60, 501,807.90 and 234,811.40 is: 352,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,538.60 : 501,807.90 = 234,811.40 : x
  2. Step 2: Convert to fraction form
    334,538.60/501,807.90 = 234,811.40/x
  3. Step 3: Cross multiply
    334,538.60x = 501,807.90 × 234,811.40
  4. Step 4: Simplify right side
    334,538.60x = 117,830,215,530.06
  5. Step 5: Solve for x
    x = 117,830,215,530.06/334,538.60
  6. Step 6: Final answer
    x = 352,217.10

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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.