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Finding the Fourth Proportional to 503,281, 755,038.14 and 170,857

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Solution

The fourth proportional to 503,281, 755,038.14 and 170,857 is: 256,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,281 : 755,038.14 = 170,857 : x
  2. Step 2: Convert to fraction form
    503,281/755,038.14 = 170,857/x
  3. Step 3: Cross multiply
    503,281x = 755,038.14 × 170,857
  4. Step 4: Simplify right side
    503,281x = 129,003,551,485.98
  5. Step 5: Solve for x
    x = 129,003,551,485.98/503,281
  6. Step 6: Final answer
    x = 256,325.10

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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.