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Finding the Fourth Proportional to 433,279, 597,913.83 and 239,681.67

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Solution

The fourth proportional to 433,279, 597,913.83 and 239,681.67 is: 330,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,279 : 597,913.83 = 239,681.67 : x
  2. Step 2: Convert to fraction form
    433,279/597,913.83 = 239,681.67/x
  3. Step 3: Cross multiply
    433,279x = 597,913.83 × 239,681.67
  4. Step 4: Simplify right side
    433,279x = 143,308,985,290.50
  5. Step 5: Solve for x
    x = 143,308,985,290.50/433,279
  6. Step 6: Final answer
    x = 330,754.51

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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.