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Finding the Fourth Proportional to 366,877.80, 549,879.30 and 153,645.30

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Solution

The fourth proportional to 366,877.80, 549,879.30 and 153,645.30 is: 230,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,877.80 : 549,879.30 = 153,645.30 : x
  2. Step 2: Convert to fraction form
    366,877.80/549,879.30 = 153,645.30/x
  3. Step 3: Cross multiply
    366,877.80x = 549,879.30 × 153,645.30
  4. Step 4: Simplify right side
    366,877.80x = 84,486,370,012.29
  5. Step 5: Solve for x
    x = 84,486,370,012.29/366,877.80
  6. Step 6: Final answer
    x = 230,284.77

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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.