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Finding the Fourth Proportional to 317,953.46, 438,800.18 and 182,030.04

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Solution

The fourth proportional to 317,953.46, 438,800.18 and 182,030.04 is: 251,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,953.46 : 438,800.18 = 182,030.04 : x
  2. Step 2: Convert to fraction form
    317,953.46/438,800.18 = 182,030.04/x
  3. Step 3: Cross multiply
    317,953.46x = 438,800.18 × 182,030.04
  4. Step 4: Simplify right side
    317,953.46x = 79,874,814,317.41
  5. Step 5: Solve for x
    x = 79,874,814,317.41/317,953.46
  6. Step 6: Final answer
    x = 251,215.43

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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.