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Finding the Fourth Proportional to 668,178.48, 922,092.64 and 362,254.07

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Solution

The fourth proportional to 668,178.48, 922,092.64 and 362,254.07 is: 499,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,178.48 : 922,092.64 = 362,254.07 : x
  2. Step 2: Convert to fraction form
    668,178.48/922,092.64 = 362,254.07/x
  3. Step 3: Cross multiply
    668,178.48x = 922,092.64 × 362,254.07
  4. Step 4: Simplify right side
    668,178.48x = 334,031,811,757.05
  5. Step 5: Solve for x
    x = 334,031,811,757.05/668,178.48
  6. Step 6: Final answer
    x = 499,914.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.