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Finding the Fourth Proportional to 316,808.58, 437,196.18 and 171,614.70

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Solution

The fourth proportional to 316,808.58, 437,196.18 and 171,614.70 is: 236,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,808.58 : 437,196.18 = 171,614.70 : x
  2. Step 2: Convert to fraction form
    316,808.58/437,196.18 = 171,614.70/x
  3. Step 3: Cross multiply
    316,808.58x = 437,196.18 × 171,614.70
  4. Step 4: Simplify right side
    316,808.58x = 75,029,291,271.85
  5. Step 5: Solve for x
    x = 75,029,291,271.85/316,808.58
  6. Step 6: Final answer
    x = 236,828.47

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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.