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Finding the Fourth Proportional to 316,736.32, 437,103.16 and 180,767.56

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Solution

The fourth proportional to 316,736.32, 437,103.16 and 180,767.56 is: 249,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,736.32 : 437,103.16 = 180,767.56 : x
  2. Step 2: Convert to fraction form
    316,736.32/437,103.16 = 180,767.56/x
  3. Step 3: Cross multiply
    316,736.32x = 437,103.16 × 180,767.56
  4. Step 4: Simplify right side
    316,736.32x = 79,014,071,701.49
  5. Step 5: Solve for x
    x = 79,014,071,701.49/316,736.32
  6. Step 6: Final answer
    x = 249,463.25

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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.