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Finding the Fourth Proportional to 496,956.70, 745,435.05 and 356,988.70

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Solution

The fourth proportional to 496,956.70, 745,435.05 and 356,988.70 is: 535,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,956.70 : 745,435.05 = 356,988.70 : x
  2. Step 2: Convert to fraction form
    496,956.70/745,435.05 = 356,988.70/x
  3. Step 3: Cross multiply
    496,956.70x = 745,435.05 × 356,988.70
  4. Step 4: Simplify right side
    496,956.70x = 266,111,889,433.94
  5. Step 5: Solve for x
    x = 266,111,889,433.94/496,956.70
  6. Step 6: Final answer
    x = 535,483.05

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Similar ratio
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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.