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Finding the Fourth Proportional to 356,699.58, 535,050.36 and 90,460.26

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Solution

The fourth proportional to 356,699.58, 535,050.36 and 90,460.26 is: 135,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,699.58 : 535,050.36 = 90,460.26 : x
  2. Step 2: Convert to fraction form
    356,699.58/535,050.36 = 90,460.26/x
  3. Step 3: Cross multiply
    356,699.58x = 535,050.36 × 90,460.26
  4. Step 4: Simplify right side
    356,699.58x = 48,400,794,678.69
  5. Step 5: Solve for x
    x = 48,400,794,678.69/356,699.58
  6. Step 6: Final answer
    x = 135,690.64

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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.