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Finding the Fourth Proportional to 344,826.80, 476,160 and 254,339.60

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Solution

The fourth proportional to 344,826.80, 476,160 and 254,339.60 is: 351,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,826.80 : 476,160 = 254,339.60 : x
  2. Step 2: Convert to fraction form
    344,826.80/476,160 = 254,339.60/x
  3. Step 3: Cross multiply
    344,826.80x = 476,160 × 254,339.60
  4. Step 4: Simplify right side
    344,826.80x = 121,106,343,936
  5. Step 5: Solve for x
    x = 121,106,343,936/344,826.80
  6. Step 6: Final answer
    x = 351,209.20

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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.