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Finding the Fourth Proportional to 508,768.12, 763,152.18 and 176,344.12

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Solution

The fourth proportional to 508,768.12, 763,152.18 and 176,344.12 is: 264,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,768.12 : 763,152.18 = 176,344.12 : x
  2. Step 2: Convert to fraction form
    508,768.12/763,152.18 = 176,344.12/x
  3. Step 3: Cross multiply
    508,768.12x = 763,152.18 × 176,344.12
  4. Step 4: Simplify right side
    508,768.12x = 134,577,399,608.18
  5. Step 5: Solve for x
    x = 134,577,399,608.18/508,768.12
  6. Step 6: Final answer
    x = 264,516.18

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Double scale
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Similar ratio
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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.