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Finding the Fourth Proportional to 544,612.81, 751,592.29 and 302,890.19

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Solution

The fourth proportional to 544,612.81, 751,592.29 and 302,890.19 is: 418,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,612.81 : 751,592.29 = 302,890.19 : x
  2. Step 2: Convert to fraction form
    544,612.81/751,592.29 = 302,890.19/x
  3. Step 3: Cross multiply
    544,612.81x = 751,592.29 × 302,890.19
  4. Step 4: Simplify right side
    544,612.81x = 227,649,931,520.64
  5. Step 5: Solve for x
    x = 227,649,931,520.64/544,612.81
  6. Step 6: Final answer
    x = 418,003.26

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.