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Finding the Fourth Proportional to 556,164.80, 834,247.20 and 303,347.60

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Solution

The fourth proportional to 556,164.80, 834,247.20 and 303,347.60 is: 455,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,164.80 : 834,247.20 = 303,347.60 : x
  2. Step 2: Convert to fraction form
    556,164.80/834,247.20 = 303,347.60/x
  3. Step 3: Cross multiply
    556,164.80x = 834,247.20 × 303,347.60
  4. Step 4: Simplify right side
    556,164.80x = 253,066,885,926.72
  5. Step 5: Solve for x
    x = 253,066,885,926.72/556,164.80
  6. Step 6: Final answer
    x = 455,021.40

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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.