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Finding the Fourth Proportional to 571,153.86, 856,773.81 and 192,075.66

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Solution

The fourth proportional to 571,153.86, 856,773.81 and 192,075.66 is: 288,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,153.86 : 856,773.81 = 192,075.66 : x
  2. Step 2: Convert to fraction form
    571,153.86/856,773.81 = 192,075.66/x
  3. Step 3: Cross multiply
    571,153.86x = 856,773.81 × 192,075.66
  4. Step 4: Simplify right side
    571,153.86x = 164,565,395,026.47
  5. Step 5: Solve for x
    x = 164,565,395,026.47/571,153.86
  6. Step 6: Final answer
    x = 288,127.96

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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.