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Finding the Fourth Proportional to 657,147.88, 985,722.90 and 158,511.88

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Solution

The fourth proportional to 657,147.88, 985,722.90 and 158,511.88 is: 237,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,147.88 : 985,722.90 = 158,511.88 : x
  2. Step 2: Convert to fraction form
    657,147.88/985,722.90 = 158,511.88/x
  3. Step 3: Cross multiply
    657,147.88x = 985,722.90 × 158,511.88
  4. Step 4: Simplify right side
    657,147.88x = 156,248,790,038.05
  5. Step 5: Solve for x
    x = 156,248,790,038.05/657,147.88
  6. Step 6: Final answer
    x = 237,768.08

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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.