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Finding the Fourth Proportional to 446,433.61, 616,082.90 and 242,488.52

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Solution

The fourth proportional to 446,433.61, 616,082.90 and 242,488.52 is: 334,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,433.61 : 616,082.90 = 242,488.52 : x
  2. Step 2: Convert to fraction form
    446,433.61/616,082.90 = 242,488.52/x
  3. Step 3: Cross multiply
    446,433.61x = 616,082.90 × 242,488.52
  4. Step 4: Simplify right side
    446,433.61x = 149,393,030,618.31
  5. Step 5: Solve for x
    x = 149,393,030,618.31/446,433.61
  6. Step 6: Final answer
    x = 334,636.61

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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.