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Finding the Fourth Proportional to 460,231.76, 635,099.40 and 256,293.20

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Solution

The fourth proportional to 460,231.76, 635,099.40 and 256,293.20 is: 353,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,231.76 : 635,099.40 = 256,293.20 : x
  2. Step 2: Convert to fraction form
    460,231.76/635,099.40 = 256,293.20/x
  3. Step 3: Cross multiply
    460,231.76x = 635,099.40 × 256,293.20
  4. Step 4: Simplify right side
    460,231.76x = 162,771,657,544.08
  5. Step 5: Solve for x
    x = 162,771,657,544.08/460,231.76
  6. Step 6: Final answer
    x = 353,673.24

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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.