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Finding the Fourth Proportional to 574,824.03, 793,219.20 and 345,244.90

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Solution

The fourth proportional to 574,824.03, 793,219.20 and 345,244.90 is: 476,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,824.03 : 793,219.20 = 345,244.90 : x
  2. Step 2: Convert to fraction form
    574,824.03/793,219.20 = 345,244.90/x
  3. Step 3: Cross multiply
    574,824.03x = 793,219.20 × 345,244.90
  4. Step 4: Simplify right side
    574,824.03x = 273,854,880,279.10
  5. Step 5: Solve for x
    x = 273,854,880,279.10/574,824.03
  6. Step 6: Final answer
    x = 476,415.16

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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.