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Finding the Fourth Proportional to 549,898.14, 758,823.51 and 323,499.90

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Solution

The fourth proportional to 549,898.14, 758,823.51 and 323,499.90 is: 446,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,898.14 : 758,823.51 = 323,499.90 : x
  2. Step 2: Convert to fraction form
    549,898.14/758,823.51 = 323,499.90/x
  3. Step 3: Cross multiply
    549,898.14x = 758,823.51 × 323,499.90
  4. Step 4: Simplify right side
    549,898.14x = 245,479,329,602.65
  5. Step 5: Solve for x
    x = 245,479,329,602.65/549,898.14
  6. Step 6: Final answer
    x = 446,408.73

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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.