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Finding the Fourth Proportional to 377,228.79, 565,913.15 and 124,526.88

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Solution

The fourth proportional to 377,228.79, 565,913.15 and 124,526.88 is: 186,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,228.79 : 565,913.15 = 124,526.88 : x
  2. Step 2: Convert to fraction form
    377,228.79/565,913.15 = 124,526.88/x
  3. Step 3: Cross multiply
    377,228.79x = 565,913.15 × 124,526.88
  4. Step 4: Simplify right side
    377,228.79x = 70,471,398,920.47
  5. Step 5: Solve for x
    x = 70,471,398,920.47/377,228.79
  6. Step 6: Final answer
    x = 186,813.42

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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.