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Finding the Fourth Proportional to 366,893.28, 549,518.16 and 318,893.28

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Solution

The fourth proportional to 366,893.28, 549,518.16 and 318,893.28 is: 477,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,893.28 : 549,518.16 = 318,893.28 : x
  2. Step 2: Convert to fraction form
    366,893.28/549,518.16 = 318,893.28/x
  3. Step 3: Cross multiply
    366,893.28x = 549,518.16 × 318,893.28
  4. Step 4: Simplify right side
    366,893.28x = 175,237,648,461.97
  5. Step 5: Solve for x
    x = 175,237,648,461.97/366,893.28
  6. Step 6: Final answer
    x = 477,625.67

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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.