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Finding the Fourth Proportional to 524,059.70, 786,089.55 and 335,102.90

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Solution

The fourth proportional to 524,059.70, 786,089.55 and 335,102.90 is: 502,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,059.70 : 786,089.55 = 335,102.90 : x
  2. Step 2: Convert to fraction form
    524,059.70/786,089.55 = 335,102.90/x
  3. Step 3: Cross multiply
    524,059.70x = 786,089.55 × 335,102.90
  4. Step 4: Simplify right side
    524,059.70x = 263,420,887,864.70
  5. Step 5: Solve for x
    x = 263,420,887,864.70/524,059.70
  6. Step 6: Final answer
    x = 502,654.35

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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.