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Finding the Fourth Proportional to 377,017.70, 565,526.55 and 216,929.30

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Solution

The fourth proportional to 377,017.70, 565,526.55 and 216,929.30 is: 325,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,017.70 : 565,526.55 = 216,929.30 : x
  2. Step 2: Convert to fraction form
    377,017.70/565,526.55 = 216,929.30/x
  3. Step 3: Cross multiply
    377,017.70x = 565,526.55 × 216,929.30
  4. Step 4: Simplify right side
    377,017.70x = 122,679,278,622.92
  5. Step 5: Solve for x
    x = 122,679,278,622.92/377,017.70
  6. Step 6: Final answer
    x = 325,393.95

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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.