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Finding the Fourth Proportional to 559,419.53, 772,091.54 and 330,032.97

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Solution

The fourth proportional to 559,419.53, 772,091.54 and 330,032.97 is: 455,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,419.53 : 772,091.54 = 330,032.97 : x
  2. Step 2: Convert to fraction form
    559,419.53/772,091.54 = 330,032.97/x
  3. Step 3: Cross multiply
    559,419.53x = 772,091.54 × 330,032.97
  4. Step 4: Simplify right side
    559,419.53x = 254,815,662,407.91
  5. Step 5: Solve for x
    x = 254,815,662,407.91/559,419.53
  6. Step 6: Final answer
    x = 455,500.12

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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.