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Finding the Fourth Proportional to 453,909.40, 680,864.10 and 335,811.40

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Solution

The fourth proportional to 453,909.40, 680,864.10 and 335,811.40 is: 503,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,909.40 : 680,864.10 = 335,811.40 : x
  2. Step 2: Convert to fraction form
    453,909.40/680,864.10 = 335,811.40/x
  3. Step 3: Cross multiply
    453,909.40x = 680,864.10 × 335,811.40
  4. Step 4: Simplify right side
    453,909.40x = 228,641,926,630.74
  5. Step 5: Solve for x
    x = 228,641,926,630.74/453,909.40
  6. Step 6: Final answer
    x = 503,717.10

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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.