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Finding the Fourth Proportional to 354,703.20, 532,054.80 and 335,457.60

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Solution

The fourth proportional to 354,703.20, 532,054.80 and 335,457.60 is: 503,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,703.20 : 532,054.80 = 335,457.60 : x
  2. Step 2: Convert to fraction form
    354,703.20/532,054.80 = 335,457.60/x
  3. Step 3: Cross multiply
    354,703.20x = 532,054.80 × 335,457.60
  4. Step 4: Simplify right side
    354,703.20x = 178,481,826,276.48
  5. Step 5: Solve for x
    x = 178,481,826,276.48/354,703.20
  6. Step 6: Final answer
    x = 503,186.40

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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.