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Finding the Fourth Proportional to 613,279.04, 846,219.72 and 563,671.64

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Solution

The fourth proportional to 613,279.04, 846,219.72 and 563,671.64 is: 777,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,279.04 : 846,219.72 = 563,671.64 : x
  2. Step 2: Convert to fraction form
    613,279.04/846,219.72 = 563,671.64/x
  3. Step 3: Cross multiply
    613,279.04x = 846,219.72 × 563,671.64
  4. Step 4: Simplify right side
    613,279.04x = 476,990,057,372.74
  5. Step 5: Solve for x
    x = 476,990,057,372.74/613,279.04
  6. Step 6: Final answer
    x = 777,770.03

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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.