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Finding the Fourth Proportional to 508,842.32, 763,613.43 and 176,418.32

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Solution

The fourth proportional to 508,842.32, 763,613.43 and 176,418.32 is: 264,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,842.32 : 763,613.43 = 176,418.32 : x
  2. Step 2: Convert to fraction form
    508,842.32/763,613.43 = 176,418.32/x
  3. Step 3: Cross multiply
    508,842.32x = 763,613.43 × 176,418.32
  4. Step 4: Simplify right side
    508,842.32x = 134,715,398,450.04
  5. Step 5: Solve for x
    x = 134,715,398,450.04/508,842.32
  6. Step 6: Final answer
    x = 264,748.81

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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.