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Finding the Fourth Proportional to 366,423.04, 549,712.86 and 113,698

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Solution

The fourth proportional to 366,423.04, 549,712.86 and 113,698 is: 170,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,423.04 : 549,712.86 = 113,698 : x
  2. Step 2: Convert to fraction form
    366,423.04/549,712.86 = 113,698/x
  3. Step 3: Cross multiply
    366,423.04x = 549,712.86 × 113,698
  4. Step 4: Simplify right side
    366,423.04x = 62,501,252,756.28
  5. Step 5: Solve for x
    x = 62,501,252,756.28/366,423.04
  6. Step 6: Final answer
    x = 170,571.30

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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.