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Finding the Fourth Proportional to 447,834, 618,030.88 and 264,079.92

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Solution

The fourth proportional to 447,834, 618,030.88 and 264,079.92 is: 364,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,834 : 618,030.88 = 264,079.92 : x
  2. Step 2: Convert to fraction form
    447,834/618,030.88 = 264,079.92/x
  3. Step 3: Cross multiply
    447,834x = 618,030.88 × 264,079.92
  4. Step 4: Simplify right side
    447,834x = 163,209,545,347.93
  5. Step 5: Solve for x
    x = 163,209,545,347.93/447,834
  6. Step 6: Final answer
    x = 364,442.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.