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Finding the Fourth Proportional to 446,463.97, 616,131.75 and 242,526.57

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Solution

The fourth proportional to 446,463.97, 616,131.75 and 242,526.57 is: 334,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,463.97 : 616,131.75 = 242,526.57 : x
  2. Step 2: Convert to fraction form
    446,463.97/616,131.75 = 242,526.57/x
  3. Step 3: Cross multiply
    446,463.97x = 616,131.75 × 242,526.57
  4. Step 4: Simplify right side
    446,463.97x = 149,428,315,702.31
  5. Step 5: Solve for x
    x = 149,428,315,702.31/446,463.97
  6. Step 6: Final answer
    x = 334,692.89

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1.5x scale

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.