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Finding the Fourth Proportional to 317,225.58, 437,730.90 and 181,268.28

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Solution

The fourth proportional to 317,225.58, 437,730.90 and 181,268.28 is: 250,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,225.58 : 437,730.90 = 181,268.28 : x
  2. Step 2: Convert to fraction form
    317,225.58/437,730.90 = 181,268.28/x
  3. Step 3: Cross multiply
    317,225.58x = 437,730.90 × 181,268.28
  4. Step 4: Simplify right side
    317,225.58x = 79,346,727,345.85
  5. Step 5: Solve for x
    x = 79,346,727,345.85/317,225.58
  6. Step 6: Final answer
    x = 250,127.14

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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.