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Finding the Fourth Proportional to 366,699.70, 549,911.30 and 153,482.38

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Solution

The fourth proportional to 366,699.70, 549,911.30 and 153,482.38 is: 230,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,699.70 : 549,911.30 = 153,482.38 : x
  2. Step 2: Convert to fraction form
    366,699.70/549,911.30 = 153,482.38/x
  3. Step 3: Cross multiply
    366,699.70x = 549,911.30 × 153,482.38
  4. Step 4: Simplify right side
    366,699.70x = 84,401,695,112.89
  5. Step 5: Solve for x
    x = 84,401,695,112.89/366,699.70
  6. Step 6: Final answer
    x = 230,165.71

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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.