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Finding the Fourth Proportional to 277,303.83, 415,955.75 and 90,315.33

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Solution

The fourth proportional to 277,303.83, 415,955.75 and 90,315.33 is: 135,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,303.83 : 415,955.75 = 90,315.33 : x
  2. Step 2: Convert to fraction form
    277,303.83/415,955.75 = 90,315.33/x
  3. Step 3: Cross multiply
    277,303.83x = 415,955.75 × 90,315.33
  4. Step 4: Simplify right side
    277,303.83x = 37,567,180,826.65
  5. Step 5: Solve for x
    x = 37,567,180,826.65/277,303.83
  6. Step 6: Final answer
    x = 135,473.00

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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.