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Finding the Fourth Proportional to 374,670.72, 562,135.68 and 217,036.80

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Solution

The fourth proportional to 374,670.72, 562,135.68 and 217,036.80 is: 325,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,670.72 : 562,135.68 = 217,036.80 : x
  2. Step 2: Convert to fraction form
    374,670.72/562,135.68 = 217,036.80/x
  3. Step 3: Cross multiply
    374,670.72x = 562,135.68 × 217,036.80
  4. Step 4: Simplify right side
    374,670.72x = 122,004,129,153.02
  5. Step 5: Solve for x
    x = 122,004,129,153.02/374,670.72
  6. Step 6: Final answer
    x = 325,630.27

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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.