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Finding the Fourth Proportional to 317,211.43, 437,779.46 and 173,999.15

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Solution

The fourth proportional to 317,211.43, 437,779.46 and 173,999.15 is: 240,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,211.43 : 437,779.46 = 173,999.15 : x
  2. Step 2: Convert to fraction form
    317,211.43/437,779.46 = 173,999.15/x
  3. Step 3: Cross multiply
    317,211.43x = 437,779.46 × 173,999.15
  4. Step 4: Simplify right side
    317,211.43x = 76,173,254,557.11
  5. Step 5: Solve for x
    x = 76,173,254,557.11/317,211.43
  6. Step 6: Final answer
    x = 240,134.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.