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Finding the Fourth Proportional to 549,810.49, 758,738.44 and 334,950.40

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Solution

The fourth proportional to 549,810.49, 758,738.44 and 334,950.40 is: 462,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,810.49 : 758,738.44 = 334,950.40 : x
  2. Step 2: Convert to fraction form
    549,810.49/758,738.44 = 334,950.40/x
  3. Step 3: Cross multiply
    549,810.49x = 758,738.44 × 334,950.40
  4. Step 4: Simplify right side
    549,810.49x = 254,139,743,973.38
  5. Step 5: Solve for x
    x = 254,139,743,973.38/549,810.49
  6. Step 6: Final answer
    x = 462,231.53

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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.