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Finding the Fourth Proportional to 366,425.90, 549,550.44 and 153,078.56

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Solution

The fourth proportional to 366,425.90, 549,550.44 and 153,078.56 is: 229,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,425.90 : 549,550.44 = 153,078.56 : x
  2. Step 2: Convert to fraction form
    366,425.90/549,550.44 = 153,078.56/x
  3. Step 3: Cross multiply
    366,425.90x = 549,550.44 × 153,078.56
  4. Step 4: Simplify right side
    366,425.90x = 84,124,390,002.57
  5. Step 5: Solve for x
    x = 84,124,390,002.57/366,425.90
  6. Step 6: Final answer
    x = 229,580.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.