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Finding the Fourth Proportional to 567,056.40, 850,699.80 and 193,117.20

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Solution

The fourth proportional to 567,056.40, 850,699.80 and 193,117.20 is: 289,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,056.40 : 850,699.80 = 193,117.20 : x
  2. Step 2: Convert to fraction form
    567,056.40/850,699.80 = 193,117.20/x
  3. Step 3: Cross multiply
    567,056.40x = 850,699.80 × 193,117.20
  4. Step 4: Simplify right side
    567,056.40x = 164,284,763,416.56
  5. Step 5: Solve for x
    x = 164,284,763,416.56/567,056.40
  6. Step 6: Final answer
    x = 289,715.03

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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.