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Finding the Fourth Proportional to 374,085.61, 561,303.38 and 216,446.65

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Solution

The fourth proportional to 374,085.61, 561,303.38 and 216,446.65 is: 324,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,085.61 : 561,303.38 = 216,446.65 : x
  2. Step 2: Convert to fraction form
    374,085.61/561,303.38 = 216,446.65/x
  3. Step 3: Cross multiply
    374,085.61x = 561,303.38 × 216,446.65
  4. Step 4: Simplify right side
    374,085.61x = 121,492,236,234.68
  5. Step 5: Solve for x
    x = 121,492,236,234.68/374,085.61
  6. Step 6: Final answer
    x = 324,771.21

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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.