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Finding the Fourth Proportional to 296,461.31, 445,134.78 and 292,032.63

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Solution

The fourth proportional to 296,461.31, 445,134.78 and 292,032.63 is: 438,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,461.31 : 445,134.78 = 292,032.63 : x
  2. Step 2: Convert to fraction form
    296,461.31/445,134.78 = 292,032.63/x
  3. Step 3: Cross multiply
    296,461.31x = 445,134.78 × 292,032.63
  4. Step 4: Simplify right side
    296,461.31x = 129,993,880,507.87
  5. Step 5: Solve for x
    x = 129,993,880,507.87/296,461.31
  6. Step 6: Final answer
    x = 438,485.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.