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Finding the Fourth Proportional to 317,127.68, 475,770.80 and 223,815.68

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Solution

The fourth proportional to 317,127.68, 475,770.80 and 223,815.68 is: 335,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,127.68 : 475,770.80 = 223,815.68 : x
  2. Step 2: Convert to fraction form
    317,127.68/475,770.80 = 223,815.68/x
  3. Step 3: Cross multiply
    317,127.68x = 475,770.80 × 223,815.68
  4. Step 4: Simplify right side
    317,127.68x = 106,484,965,126.14
  5. Step 5: Solve for x
    x = 106,484,965,126.14/317,127.68
  6. Step 6: Final answer
    x = 335,779.47

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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.