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Finding the Fourth Proportional to 382,038.40, 573,316.80 and 248,593.60

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Solution

The fourth proportional to 382,038.40, 573,316.80 and 248,593.60 is: 373,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,038.40 : 573,316.80 = 248,593.60 : x
  2. Step 2: Convert to fraction form
    382,038.40/573,316.80 = 248,593.60/x
  3. Step 3: Cross multiply
    382,038.40x = 573,316.80 × 248,593.60
  4. Step 4: Simplify right side
    382,038.40x = 142,522,887,252.48
  5. Step 5: Solve for x
    x = 142,522,887,252.48/382,038.40
  6. Step 6: Final answer
    x = 373,059.06

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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.