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Finding the Fourth Proportional to 316,189.98, 474,471.68 and 116,649.72

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Solution

The fourth proportional to 316,189.98, 474,471.68 and 116,649.72 is: 175,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,189.98 : 474,471.68 = 116,649.72 : x
  2. Step 2: Convert to fraction form
    316,189.98/474,471.68 = 116,649.72/x
  3. Step 3: Cross multiply
    316,189.98x = 474,471.68 × 116,649.72
  4. Step 4: Simplify right side
    316,189.98x = 55,346,988,036.68
  5. Step 5: Solve for x
    x = 55,346,988,036.68/316,189.98
  6. Step 6: Final answer
    x = 175,043.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.