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Finding the Fourth Proportional to 717,485.84, 1,076,241.72 and 185,018

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Solution

The fourth proportional to 717,485.84, 1,076,241.72 and 185,018 is: 277,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,485.84 : 1,076,241.72 = 185,018 : x
  2. Step 2: Convert to fraction form
    717,485.84/1,076,241.72 = 185,018/x
  3. Step 3: Cross multiply
    717,485.84x = 1,076,241.72 × 185,018
  4. Step 4: Simplify right side
    717,485.84x = 199,124,090,550.96
  5. Step 5: Solve for x
    x = 199,124,090,550.96/717,485.84
  6. Step 6: Final answer
    x = 277,530.34

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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.