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Finding the Fourth Proportional to 377,325.64, 565,988.46 and 258,637.15

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Solution

The fourth proportional to 377,325.64, 565,988.46 and 258,637.15 is: 387,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,325.64 : 565,988.46 = 258,637.15 : x
  2. Step 2: Convert to fraction form
    377,325.64/565,988.46 = 258,637.15/x
  3. Step 3: Cross multiply
    377,325.64x = 565,988.46 × 258,637.15
  4. Step 4: Simplify right side
    377,325.64x = 146,385,643,419.72
  5. Step 5: Solve for x
    x = 146,385,643,419.72/377,325.64
  6. Step 6: Final answer
    x = 387,955.73

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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.