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Finding the Fourth Proportional to 533,537.31, 736,305.08 and 307,255.71

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Solution

The fourth proportional to 533,537.31, 736,305.08 and 307,255.71 is: 424,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,537.31 : 736,305.08 = 307,255.71 : x
  2. Step 2: Convert to fraction form
    533,537.31/736,305.08 = 307,255.71/x
  3. Step 3: Cross multiply
    533,537.31x = 736,305.08 × 307,255.71
  4. Step 4: Simplify right side
    533,537.31x = 226,233,938,595.73
  5. Step 5: Solve for x
    x = 226,233,938,595.73/533,537.31
  6. Step 6: Final answer
    x = 424,026.46

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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.