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Finding the Fourth Proportional to 277,312.02, 415,968.03 and 90,323.52

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Solution

The fourth proportional to 277,312.02, 415,968.03 and 90,323.52 is: 135,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,312.02 : 415,968.03 = 90,323.52 : x
  2. Step 2: Convert to fraction form
    277,312.02/415,968.03 = 90,323.52/x
  3. Step 3: Cross multiply
    277,312.02x = 415,968.03 × 90,323.52
  4. Step 4: Simplify right side
    277,312.02x = 37,571,696,677.07
  5. Step 5: Solve for x
    x = 37,571,696,677.07/277,312.02
  6. Step 6: Final answer
    x = 135,485.28

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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.