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Finding the Fourth Proportional to 344,830.80, 476,165.52 and 254,343.60

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Solution

The fourth proportional to 344,830.80, 476,165.52 and 254,343.60 is: 351,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,830.80 : 476,165.52 = 254,343.60 : x
  2. Step 2: Convert to fraction form
    344,830.80/476,165.52 = 254,343.60/x
  3. Step 3: Cross multiply
    344,830.80x = 476,165.52 × 254,343.60
  4. Step 4: Simplify right side
    344,830.80x = 121,109,652,552.67
  5. Step 5: Solve for x
    x = 121,109,652,552.67/344,830.80
  6. Step 6: Final answer
    x = 351,214.72

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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.