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Finding the Fourth Proportional to 375,740.79, 563,490.89 and 122,952.75

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Solution

The fourth proportional to 375,740.79, 563,490.89 and 122,952.75 is: 184,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,740.79 : 563,490.89 = 122,952.75 : x
  2. Step 2: Convert to fraction form
    375,740.79/563,490.89 = 122,952.75/x
  3. Step 3: Cross multiply
    375,740.79x = 563,490.89 × 122,952.75
  4. Step 4: Simplify right side
    375,740.79x = 69,282,754,525.45
  5. Step 5: Solve for x
    x = 69,282,754,525.45/375,740.79
  6. Step 6: Final answer
    x = 184,389.76

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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.