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Finding the Fourth Proportional to 601,338.60, 829,182.29 and 383,201.76

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Solution

The fourth proportional to 601,338.60, 829,182.29 and 383,201.76 is: 528,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,338.60 : 829,182.29 = 383,201.76 : x
  2. Step 2: Convert to fraction form
    601,338.60/829,182.29 = 383,201.76/x
  3. Step 3: Cross multiply
    601,338.60x = 829,182.29 × 383,201.76
  4. Step 4: Simplify right side
    601,338.60x = 317,744,110,972.82
  5. Step 5: Solve for x
    x = 317,744,110,972.82/601,338.60
  6. Step 6: Final answer
    x = 528,394.67

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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.