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Finding the Fourth Proportional to 314,101.53, 433,265.67 and 273,911.76

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Solution

The fourth proportional to 314,101.53, 433,265.67 and 273,911.76 is: 377,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,101.53 : 433,265.67 = 273,911.76 : x
  2. Step 2: Convert to fraction form
    314,101.53/433,265.67 = 273,911.76/x
  3. Step 3: Cross multiply
    314,101.53x = 433,265.67 × 273,911.76
  4. Step 4: Simplify right side
    314,101.53x = 118,676,562,217.28
  5. Step 5: Solve for x
    x = 118,676,562,217.28/314,101.53
  6. Step 6: Final answer
    x = 377,828.67

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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.