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Finding the Fourth Proportional to 630,378.08, 945,570.72 and 157,063.52

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Solution

The fourth proportional to 630,378.08, 945,570.72 and 157,063.52 is: 235,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,378.08 : 945,570.72 = 157,063.52 : x
  2. Step 2: Convert to fraction form
    630,378.08/945,570.72 = 157,063.52/x
  3. Step 3: Cross multiply
    630,378.08x = 945,570.72 × 157,063.52
  4. Step 4: Simplify right side
    630,378.08x = 148,514,665,692.13
  5. Step 5: Solve for x
    x = 148,514,665,692.13/630,378.08
  6. Step 6: Final answer
    x = 235,596.18

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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.