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Finding the Fourth Proportional to 424,649.46, 586,032.15 and 243,396.30

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Solution

The fourth proportional to 424,649.46, 586,032.15 and 243,396.30 is: 335,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,649.46 : 586,032.15 = 243,396.30 : x
  2. Step 2: Convert to fraction form
    424,649.46/586,032.15 = 243,396.30/x
  3. Step 3: Cross multiply
    424,649.46x = 586,032.15 × 243,396.30
  4. Step 4: Simplify right side
    424,649.46x = 142,638,056,991.05
  5. Step 5: Solve for x
    x = 142,638,056,991.05/424,649.46
  6. Step 6: Final answer
    x = 335,896.00

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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.