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Finding the Fourth Proportional to 551,803.44, 761,493.72 and 334,017.12

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Solution

The fourth proportional to 551,803.44, 761,493.72 and 334,017.12 is: 460,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,803.44 : 761,493.72 = 334,017.12 : x
  2. Step 2: Convert to fraction form
    551,803.44/761,493.72 = 334,017.12/x
  3. Step 3: Cross multiply
    551,803.44x = 761,493.72 × 334,017.12
  4. Step 4: Simplify right side
    551,803.44x = 254,351,939,252.49
  5. Step 5: Solve for x
    x = 254,351,939,252.49/551,803.44
  6. Step 6: Final answer
    x = 460,946.64

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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.