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Finding the Fourth Proportional to 366,854.45, 549,392.90 and 186,465.42

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Solution

The fourth proportional to 366,854.45, 549,392.90 and 186,465.42 is: 279,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,854.45 : 549,392.90 = 186,465.42 : x
  2. Step 2: Convert to fraction form
    366,854.45/549,392.90 = 186,465.42/x
  3. Step 3: Cross multiply
    366,854.45x = 549,392.90 × 186,465.42
  4. Step 4: Simplify right side
    366,854.45x = 102,442,776,911.19
  5. Step 5: Solve for x
    x = 102,442,776,911.19/366,854.45
  6. Step 6: Final answer
    x = 279,246.38

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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.