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Finding the Fourth Proportional to 577,673.10, 865,588.05 and 483,669.90

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Solution

The fourth proportional to 577,673.10, 865,588.05 and 483,669.90 is: 724,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,673.10 : 865,588.05 = 483,669.90 : x
  2. Step 2: Convert to fraction form
    577,673.10/865,588.05 = 483,669.90/x
  3. Step 3: Cross multiply
    577,673.10x = 865,588.05 × 483,669.90
  4. Step 4: Simplify right side
    577,673.10x = 418,658,885,584.70
  5. Step 5: Solve for x
    x = 418,658,885,584.70/577,673.10
  6. Step 6: Final answer
    x = 724,733.22

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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.