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Finding the Fourth Proportional to 377,384.40, 565,956.63 and 124,617.78

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Solution

The fourth proportional to 377,384.40, 565,956.63 and 124,617.78 is: 186,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,384.40 : 565,956.63 = 124,617.78 : x
  2. Step 2: Convert to fraction form
    377,384.40/565,956.63 = 124,617.78/x
  3. Step 3: Cross multiply
    377,384.40x = 565,956.63 × 124,617.78
  4. Step 4: Simplify right side
    377,384.40x = 70,528,258,806.88
  5. Step 5: Solve for x
    x = 70,528,258,806.88/377,384.40
  6. Step 6: Final answer
    x = 186,887.05

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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.