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Finding the Fourth Proportional to 569,715.70, 854,038.95 and 214,968.10

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Solution

The fourth proportional to 569,715.70, 854,038.95 and 214,968.10 is: 322,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,715.70 : 854,038.95 = 214,968.10 : x
  2. Step 2: Convert to fraction form
    569,715.70/854,038.95 = 214,968.10/x
  3. Step 3: Cross multiply
    569,715.70x = 854,038.95 × 214,968.10
  4. Step 4: Simplify right side
    569,715.70x = 183,591,130,407.50
  5. Step 5: Solve for x
    x = 183,591,130,407.50/569,715.70
  6. Step 6: Final answer
    x = 322,250.43

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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.