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Finding the Fourth Proportional to 460,630.80, 635,662.08 and 259,426.80

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Solution

The fourth proportional to 460,630.80, 635,662.08 and 259,426.80 is: 358,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,630.80 : 635,662.08 = 259,426.80 : x
  2. Step 2: Convert to fraction form
    460,630.80/635,662.08 = 259,426.80/x
  3. Step 3: Cross multiply
    460,630.80x = 635,662.08 × 259,426.80
  4. Step 4: Simplify right side
    460,630.80x = 164,907,779,295.74
  5. Step 5: Solve for x
    x = 164,907,779,295.74/460,630.80
  6. Step 6: Final answer
    x = 358,004.24

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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.