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Finding the Fourth Proportional to 316,313.80, 474,317.10 and 175,923.40

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Solution

The fourth proportional to 316,313.80, 474,317.10 and 175,923.40 is: 263,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,313.80 : 474,317.10 = 175,923.40 : x
  2. Step 2: Convert to fraction form
    316,313.80/474,317.10 = 175,923.40/x
  3. Step 3: Cross multiply
    316,313.80x = 474,317.10 × 175,923.40
  4. Step 4: Simplify right side
    316,313.80x = 83,443,476,910.14
  5. Step 5: Solve for x
    x = 83,443,476,910.14/316,313.80
  6. Step 6: Final answer
    x = 263,799.67

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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.