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Finding the Fourth Proportional to 533,416.73, 736,127.90 and 303,969.11

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Solution

The fourth proportional to 533,416.73, 736,127.90 and 303,969.11 is: 419,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,416.73 : 736,127.90 = 303,969.11 : x
  2. Step 2: Convert to fraction form
    533,416.73/736,127.90 = 303,969.11/x
  3. Step 3: Cross multiply
    533,416.73x = 736,127.90 × 303,969.11
  4. Step 4: Simplify right side
    533,416.73x = 223,760,141,089.32
  5. Step 5: Solve for x
    x = 223,760,141,089.32/533,416.73
  6. Step 6: Final answer
    x = 419,484.67

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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.