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Finding the Fourth Proportional to 211,323.40, 317,276.70 and 167,000.20

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Solution

The fourth proportional to 211,323.40, 317,276.70 and 167,000.20 is: 250,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,323.40 : 317,276.70 = 167,000.20 : x
  2. Step 2: Convert to fraction form
    211,323.40/317,276.70 = 167,000.20/x
  3. Step 3: Cross multiply
    211,323.40x = 317,276.70 × 167,000.20
  4. Step 4: Simplify right side
    211,323.40x = 52,985,272,355.34
  5. Step 5: Solve for x
    x = 52,985,272,355.34/211,323.40
  6. Step 6: Final answer
    x = 250,730.74

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1.5x scale

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.