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Finding the Fourth Proportional to 377,525.79, 566,386.70 and 140,870.25

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Solution

The fourth proportional to 377,525.79, 566,386.70 and 140,870.25 is: 211,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,525.79 : 566,386.70 = 140,870.25 : x
  2. Step 2: Convert to fraction form
    377,525.79/566,386.70 = 140,870.25/x
  3. Step 3: Cross multiply
    377,525.79x = 566,386.70 × 140,870.25
  4. Step 4: Simplify right side
    377,525.79x = 79,787,036,025.68
  5. Step 5: Solve for x
    x = 79,787,036,025.68/377,525.79
  6. Step 6: Final answer
    x = 211,341.95

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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.