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Finding the Fourth Proportional to 569,646.24, 854,640.64 and 170,300

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Solution

The fourth proportional to 569,646.24, 854,640.64 and 170,300 is: 255,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,646.24 : 854,640.64 = 170,300 : x
  2. Step 2: Convert to fraction form
    569,646.24/854,640.64 = 170,300/x
  3. Step 3: Cross multiply
    569,646.24x = 854,640.64 × 170,300
  4. Step 4: Simplify right side
    569,646.24x = 145,545,300,992
  5. Step 5: Solve for x
    x = 145,545,300,992/569,646.24
  6. Step 6: Final answer
    x = 255,501.21

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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.