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Finding the Fourth Proportional to 371,071.50, 556,605.88 and 134,358.82

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Solution

The fourth proportional to 371,071.50, 556,605.88 and 134,358.82 is: 201,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,071.50 : 556,605.88 = 134,358.82 : x
  2. Step 2: Convert to fraction form
    371,071.50/556,605.88 = 134,358.82/x
  3. Step 3: Cross multiply
    371,071.50x = 556,605.88 × 134,358.82
  4. Step 4: Simplify right side
    371,071.50x = 74,784,907,514.45
  5. Step 5: Solve for x
    x = 74,784,907,514.45/371,071.50
  6. Step 6: Final answer
    x = 201,537.73

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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.