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Finding the Fourth Proportional to 549,342.41, 758,020.64 and 316,777.94

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Solution

The fourth proportional to 549,342.41, 758,020.64 and 316,777.94 is: 437,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,342.41 : 758,020.64 = 316,777.94 : x
  2. Step 2: Convert to fraction form
    549,342.41/758,020.64 = 316,777.94/x
  3. Step 3: Cross multiply
    549,342.41x = 758,020.64 × 316,777.94
  4. Step 4: Simplify right side
    549,342.41x = 240,124,217,827.84
  5. Step 5: Solve for x
    x = 240,124,217,827.84/549,342.41
  6. Step 6: Final answer
    x = 437,112.10

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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.