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Finding the Fourth Proportional to 602,727.40, 832,206.18 and 528,077.80

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Solution

The fourth proportional to 602,727.40, 832,206.18 and 528,077.80 is: 729,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,727.40 : 832,206.18 = 528,077.80 : x
  2. Step 2: Convert to fraction form
    602,727.40/832,206.18 = 528,077.80/x
  3. Step 3: Cross multiply
    602,727.40x = 832,206.18 × 528,077.80
  4. Step 4: Simplify right side
    602,727.40x = 439,469,608,680.80
  5. Step 5: Solve for x
    x = 439,469,608,680.80/602,727.40
  6. Step 6: Final answer
    x = 729,134.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.