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Finding the Fourth Proportional to 403,279.20, 556,492.32 and 233,524.32

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Solution

The fourth proportional to 403,279.20, 556,492.32 and 233,524.32 is: 322,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,279.20 : 556,492.32 = 233,524.32 : x
  2. Step 2: Convert to fraction form
    403,279.20/556,492.32 = 233,524.32/x
  3. Step 3: Cross multiply
    403,279.20x = 556,492.32 × 233,524.32
  4. Step 4: Simplify right side
    403,279.20x = 129,954,490,613.22
  5. Step 5: Solve for x
    x = 129,954,490,613.22/403,279.20
  6. Step 6: Final answer
    x = 322,244.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.