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Finding the Fourth Proportional to 341,609.63, 471,421.32 and 190,706.63

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Solution

The fourth proportional to 341,609.63, 471,421.32 and 190,706.63 is: 263,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,609.63 : 471,421.32 = 190,706.63 : x
  2. Step 2: Convert to fraction form
    341,609.63/471,421.32 = 190,706.63/x
  3. Step 3: Cross multiply
    341,609.63x = 471,421.32 × 190,706.63
  4. Step 4: Simplify right side
    341,609.63x = 89,903,168,175.10
  5. Step 5: Solve for x
    x = 89,903,168,175.10/341,609.63
  6. Step 6: Final answer
    x = 263,175.16

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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.