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Finding the Fourth Proportional to 524,116.20, 786,174.30 and 335,159.40

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Solution

The fourth proportional to 524,116.20, 786,174.30 and 335,159.40 is: 502,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,116.20 : 786,174.30 = 335,159.40 : x
  2. Step 2: Convert to fraction form
    524,116.20/786,174.30 = 335,159.40/x
  3. Step 3: Cross multiply
    524,116.20x = 786,174.30 × 335,159.40
  4. Step 4: Simplify right side
    524,116.20x = 263,493,706,683.42
  5. Step 5: Solve for x
    x = 263,493,706,683.42/524,116.20
  6. Step 6: Final answer
    x = 502,739.10

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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.