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Finding the Fourth Proportional to 366,810.40, 549,524.40 and 188,711.20

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Solution

The fourth proportional to 366,810.40, 549,524.40 and 188,711.20 is: 282,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,810.40 : 549,524.40 = 188,711.20 : x
  2. Step 2: Convert to fraction form
    366,810.40/549,524.40 = 188,711.20/x
  3. Step 3: Cross multiply
    366,810.40x = 549,524.40 × 188,711.20
  4. Step 4: Simplify right side
    366,810.40x = 103,701,408,953.28
  5. Step 5: Solve for x
    x = 103,701,408,953.28/366,810.40
  6. Step 6: Final answer
    x = 282,711.20

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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.