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Finding the Fourth Proportional to 340,841.54, 470,364.64 and 187,885.64

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Solution

The fourth proportional to 340,841.54, 470,364.64 and 187,885.64 is: 259,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,841.54 : 470,364.64 = 187,885.64 : x
  2. Step 2: Convert to fraction form
    340,841.54/470,364.64 = 187,885.64/x
  3. Step 3: Cross multiply
    340,841.54x = 470,364.64 × 187,885.64
  4. Step 4: Simplify right side
    340,841.54x = 88,374,761,419.77
  5. Step 5: Solve for x
    x = 88,374,761,419.77/340,841.54
  6. Step 6: Final answer
    x = 259,284.01

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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.