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Finding the Fourth Proportional to 668,315.16, 1,002,572.82 and 241,950.78

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Solution

The fourth proportional to 668,315.16, 1,002,572.82 and 241,950.78 is: 362,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,315.16 : 1,002,572.82 = 241,950.78 : x
  2. Step 2: Convert to fraction form
    668,315.16/1,002,572.82 = 241,950.78/x
  3. Step 3: Cross multiply
    668,315.16x = 1,002,572.82 × 241,950.78
  4. Step 4: Simplify right side
    668,315.16x = 242,573,275,805.80
  5. Step 5: Solve for x
    x = 242,573,275,805.80/668,315.16
  6. Step 6: Final answer
    x = 362,962.40

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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.