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Finding the Fourth Proportional to 539,854.56, 744,999.36 and 301,390.56

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Solution

The fourth proportional to 539,854.56, 744,999.36 and 301,390.56 is: 415,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,854.56 : 744,999.36 = 301,390.56 : x
  2. Step 2: Convert to fraction form
    539,854.56/744,999.36 = 301,390.56/x
  3. Step 3: Cross multiply
    539,854.56x = 744,999.36 × 301,390.56
  4. Step 4: Simplify right side
    539,854.56x = 224,535,774,310.04
  5. Step 5: Solve for x
    x = 224,535,774,310.04/539,854.56
  6. Step 6: Final answer
    x = 415,919.01

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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.