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Finding the Fourth Proportional to 317,169, 437,652.99 and 173,891.34

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Solution

The fourth proportional to 317,169, 437,652.99 and 173,891.34 is: 239,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,169 : 437,652.99 = 173,891.34 : x
  2. Step 2: Convert to fraction form
    317,169/437,652.99 = 173,891.34/x
  3. Step 3: Cross multiply
    317,169x = 437,652.99 × 173,891.34
  4. Step 4: Simplify right side
    317,169x = 76,104,064,886.11
  5. Step 5: Solve for x
    x = 76,104,064,886.11/317,169
  6. Step 6: Final answer
    x = 239,947.99

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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.