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Finding the Fourth Proportional to 366,391.53, 549,665.66 and 113,666.53

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Solution

The fourth proportional to 366,391.53, 549,665.66 and 113,666.53 is: 170,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,391.53 : 549,665.66 = 113,666.53 : x
  2. Step 2: Convert to fraction form
    366,391.53/549,665.66 = 113,666.53/x
  3. Step 3: Cross multiply
    366,391.53x = 549,665.66 × 113,666.53
  4. Step 4: Simplify right side
    366,391.53x = 62,478,588,232.36
  5. Step 5: Solve for x
    x = 62,478,588,232.36/366,391.53
  6. Step 6: Final answer
    x = 170,524.11

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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.