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Finding the Fourth Proportional to 637,897.02, 956,513.31 and 300,847.17

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Solution

The fourth proportional to 637,897.02, 956,513.31 and 300,847.17 is: 451,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,897.02 : 956,513.31 = 300,847.17 : x
  2. Step 2: Convert to fraction form
    637,897.02/956,513.31 = 300,847.17/x
  3. Step 3: Cross multiply
    637,897.02x = 956,513.31 × 300,847.17
  4. Step 4: Simplify right side
    637,897.02x = 287,764,316,094.03
  5. Step 5: Solve for x
    x = 287,764,316,094.03/637,897.02
  6. Step 6: Final answer
    x = 451,114.07

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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.