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Finding the Fourth Proportional to 335,103.60, 502,655.40 and 235,376.40

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Solution

The fourth proportional to 335,103.60, 502,655.40 and 235,376.40 is: 353,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,103.60 : 502,655.40 = 235,376.40 : x
  2. Step 2: Convert to fraction form
    335,103.60/502,655.40 = 235,376.40/x
  3. Step 3: Cross multiply
    335,103.60x = 502,655.40 × 235,376.40
  4. Step 4: Simplify right side
    335,103.60x = 118,313,218,492.56
  5. Step 5: Solve for x
    x = 118,313,218,492.56/335,103.60
  6. Step 6: Final answer
    x = 353,064.60

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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.