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Finding the Fourth Proportional to 756,558.88, 1,044,051 and 417,032.80

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Solution

The fourth proportional to 756,558.88, 1,044,051 and 417,032.80 is: 575,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,558.88 : 1,044,051 = 417,032.80 : x
  2. Step 2: Convert to fraction form
    756,558.88/1,044,051 = 417,032.80/x
  3. Step 3: Cross multiply
    756,558.88x = 1,044,051 × 417,032.80
  4. Step 4: Simplify right side
    756,558.88x = 435,403,511,872.80
  5. Step 5: Solve for x
    x = 435,403,511,872.80/756,558.88
  6. Step 6: Final answer
    x = 575,505.12

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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.