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Finding the Fourth Proportional to 569,622.60, 786,099.60 and 340,279.20

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Solution

The fourth proportional to 569,622.60, 786,099.60 and 340,279.20 is: 469,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,622.60 : 786,099.60 = 340,279.20 : x
  2. Step 2: Convert to fraction form
    569,622.60/786,099.60 = 340,279.20/x
  3. Step 3: Cross multiply
    569,622.60x = 786,099.60 × 340,279.20
  4. Step 4: Simplify right side
    569,622.60x = 267,493,343,008.32
  5. Step 5: Solve for x
    x = 267,493,343,008.32/569,622.60
  6. Step 6: Final answer
    x = 469,597.49

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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.