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Finding the Fourth Proportional to 567,028.40, 850,657.80 and 193,089.20

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Solution

The fourth proportional to 567,028.40, 850,657.80 and 193,089.20 is: 289,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,028.40 : 850,657.80 = 193,089.20 : x
  2. Step 2: Convert to fraction form
    567,028.40/850,657.80 = 193,089.20/x
  3. Step 3: Cross multiply
    567,028.40x = 850,657.80 × 193,089.20
  4. Step 4: Simplify right side
    567,028.40x = 164,252,834,075.76
  5. Step 5: Solve for x
    x = 164,252,834,075.76/567,028.40
  6. Step 6: Final answer
    x = 289,673.03

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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.