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Finding the Fourth Proportional to 533,384.16, 734,804.64 and 371,945.76

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Solution

The fourth proportional to 533,384.16, 734,804.64 and 371,945.76 is: 512,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,384.16 : 734,804.64 = 371,945.76 : x
  2. Step 2: Convert to fraction form
    533,384.16/734,804.64 = 371,945.76/x
  3. Step 3: Cross multiply
    533,384.16x = 734,804.64 × 371,945.76
  4. Step 4: Simplify right side
    533,384.16x = 273,307,470,276.33
  5. Step 5: Solve for x
    x = 273,307,470,276.33/533,384.16
  6. Step 6: Final answer
    x = 512,402.67

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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.