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Finding the Fourth Proportional to 292,837.60, 439,256.40 and 173,087.20

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Solution

The fourth proportional to 292,837.60, 439,256.40 and 173,087.20 is: 259,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,837.60 : 439,256.40 = 173,087.20 : x
  2. Step 2: Convert to fraction form
    292,837.60/439,256.40 = 173,087.20/x
  3. Step 3: Cross multiply
    292,837.60x = 439,256.40 × 173,087.20
  4. Step 4: Simplify right side
    292,837.60x = 76,029,660,358.08
  5. Step 5: Solve for x
    x = 76,029,660,358.08/292,837.60
  6. Step 6: Final answer
    x = 259,630.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.