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Finding the Fourth Proportional to 637,211.52, 955,678.60 and 210,646.56

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Solution

The fourth proportional to 637,211.52, 955,678.60 and 210,646.56 is: 315,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,211.52 : 955,678.60 = 210,646.56 : x
  2. Step 2: Convert to fraction form
    637,211.52/955,678.60 = 210,646.56/x
  3. Step 3: Cross multiply
    637,211.52x = 955,678.60 × 210,646.56
  4. Step 4: Simplify right side
    637,211.52x = 201,310,409,555.62
  5. Step 5: Solve for x
    x = 201,310,409,555.62/637,211.52
  6. Step 6: Final answer
    x = 315,924.00

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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.