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Finding the Fourth Proportional to 533,534.31, 736,300.94 and 307,252.71

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Solution

The fourth proportional to 533,534.31, 736,300.94 and 307,252.71 is: 424,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,534.31 : 736,300.94 = 307,252.71 : x
  2. Step 2: Convert to fraction form
    533,534.31/736,300.94 = 307,252.71/x
  3. Step 3: Cross multiply
    533,534.31x = 736,300.94 × 307,252.71
  4. Step 4: Simplify right side
    533,534.31x = 226,230,457,654.28
  5. Step 5: Solve for x
    x = 226,230,457,654.28/533,534.31
  6. Step 6: Final answer
    x = 424,022.32

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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.