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Finding the Fourth Proportional to 460,471.37, 635,451.48 and 266,916.40

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Solution

The fourth proportional to 460,471.37, 635,451.48 and 266,916.40 is: 368,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,471.37 : 635,451.48 = 266,916.40 : x
  2. Step 2: Convert to fraction form
    460,471.37/635,451.48 = 266,916.40/x
  3. Step 3: Cross multiply
    460,471.37x = 635,451.48 × 266,916.40
  4. Step 4: Simplify right side
    460,471.37x = 169,612,419,827.64
  5. Step 5: Solve for x
    x = 169,612,419,827.64/460,471.37
  6. Step 6: Final answer
    x = 368,345.21

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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.