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Finding the Fourth Proportional to 446,613.52, 616,319.19 and 242,667.57

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Solution

The fourth proportional to 446,613.52, 616,319.19 and 242,667.57 is: 334,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,613.52 : 616,319.19 = 242,667.57 : x
  2. Step 2: Convert to fraction form
    446,613.52/616,319.19 = 242,667.57/x
  3. Step 3: Cross multiply
    446,613.52x = 616,319.19 × 242,667.57
  4. Step 4: Simplify right side
    446,613.52x = 149,560,677,100.07
  5. Step 5: Solve for x
    x = 149,560,677,100.07/446,613.52
  6. Step 6: Final answer
    x = 334,877.18

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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.