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Finding the Fourth Proportional to 559,603.56, 772,253.04 and 304,954.80

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Solution

The fourth proportional to 559,603.56, 772,253.04 and 304,954.80 is: 420,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,603.56 : 772,253.04 = 304,954.80 : x
  2. Step 2: Convert to fraction form
    559,603.56/772,253.04 = 304,954.80/x
  3. Step 3: Cross multiply
    559,603.56x = 772,253.04 × 304,954.80
  4. Step 4: Simplify right side
    559,603.56x = 235,502,271,362.59
  5. Step 5: Solve for x
    x = 235,502,271,362.59/559,603.56
  6. Step 6: Final answer
    x = 420,837.69

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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.