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Finding the Fourth Proportional to 533,495.70, 736,213.76 and 291,777.54

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Solution

The fourth proportional to 533,495.70, 736,213.76 and 291,777.54 is: 402,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,495.70 : 736,213.76 = 291,777.54 : x
  2. Step 2: Convert to fraction form
    533,495.70/736,213.76 = 291,777.54/x
  3. Step 3: Cross multiply
    533,495.70x = 736,213.76 × 291,777.54
  4. Step 4: Simplify right side
    533,495.70x = 214,810,639,806.95
  5. Step 5: Solve for x
    x = 214,810,639,806.95/533,495.70
  6. Step 6: Final answer
    x = 402,647.37

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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.