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Finding the Fourth Proportional to 533,801.52, 736,912.64 and 307,403.28

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Solution

The fourth proportional to 533,801.52, 736,912.64 and 307,403.28 is: 424,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,801.52 : 736,912.64 = 307,403.28 : x
  2. Step 2: Convert to fraction form
    533,801.52/736,912.64 = 307,403.28/x
  3. Step 3: Cross multiply
    533,801.52x = 736,912.64 × 307,403.28
  4. Step 4: Simplify right side
    533,801.52x = 226,529,362,609.46
  5. Step 5: Solve for x
    x = 226,529,362,609.46/533,801.52
  6. Step 6: Final answer
    x = 424,370.02

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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.