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Finding the Fourth Proportional to 460,056.79, 634,863.48 and 256,101.04

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Solution

The fourth proportional to 460,056.79, 634,863.48 and 256,101.04 is: 353,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,056.79 : 634,863.48 = 256,101.04 : x
  2. Step 2: Convert to fraction form
    460,056.79/634,863.48 = 256,101.04/x
  3. Step 3: Cross multiply
    460,056.79x = 634,863.48 × 256,101.04
  4. Step 4: Simplify right side
    460,056.79x = 162,589,197,486.02
  5. Step 5: Solve for x
    x = 162,589,197,486.02/460,056.79
  6. Step 6: Final answer
    x = 353,411.15

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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.