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Finding the Fourth Proportional to 549,960.48, 758,778.35 and 346,214.79

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Solution

The fourth proportional to 549,960.48, 758,778.35 and 346,214.79 is: 477,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,960.48 : 758,778.35 = 346,214.79 : x
  2. Step 2: Convert to fraction form
    549,960.48/758,778.35 = 346,214.79/x
  3. Step 3: Cross multiply
    549,960.48x = 758,778.35 × 346,214.79
  4. Step 4: Simplify right side
    549,960.48x = 262,700,285,370.72
  5. Step 5: Solve for x
    x = 262,700,285,370.72/549,960.48
  6. Step 6: Final answer
    x = 477,671.21

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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.