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Finding the Fourth Proportional to 408,001.64, 562,880.88 and 235,887.80

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Solution

The fourth proportional to 408,001.64, 562,880.88 and 235,887.80 is: 325,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,001.64 : 562,880.88 = 235,887.80 : x
  2. Step 2: Convert to fraction form
    408,001.64/562,880.88 = 235,887.80/x
  3. Step 3: Cross multiply
    408,001.64x = 562,880.88 × 235,887.80
  4. Step 4: Simplify right side
    408,001.64x = 132,776,732,445.26
  5. Step 5: Solve for x
    x = 132,776,732,445.26/408,001.64
  6. Step 6: Final answer
    x = 325,431.86

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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.