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Finding the Fourth Proportional to 617,416.97, 851,768.53 and 436,284.16

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Solution

The fourth proportional to 617,416.97, 851,768.53 and 436,284.16 is: 601,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,416.97 : 851,768.53 = 436,284.16 : x
  2. Step 2: Convert to fraction form
    617,416.97/851,768.53 = 436,284.16/x
  3. Step 3: Cross multiply
    617,416.97x = 851,768.53 × 436,284.16
  4. Step 4: Simplify right side
    617,416.97x = 371,613,114,405.35
  5. Step 5: Solve for x
    x = 371,613,114,405.35/617,416.97
  6. Step 6: Final answer
    x = 601,883.55

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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.