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Finding the Fourth Proportional to 317,174.40, 437,703.84 and 181,226.16

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Solution

The fourth proportional to 317,174.40, 437,703.84 and 181,226.16 is: 250,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,174.40 : 437,703.84 = 181,226.16 : x
  2. Step 2: Convert to fraction form
    317,174.40/437,703.84 = 181,226.16/x
  3. Step 3: Cross multiply
    317,174.40x = 437,703.84 × 181,226.16
  4. Step 4: Simplify right side
    317,174.40x = 79,323,386,140.45
  5. Step 5: Solve for x
    x = 79,323,386,140.45/317,174.40
  6. Step 6: Final answer
    x = 250,093.91

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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.