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Finding the Fourth Proportional to 290,417.67, 400,602.60 and 182,800.80

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Solution

The fourth proportional to 290,417.67, 400,602.60 and 182,800.80 is: 252,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,417.67 : 400,602.60 = 182,800.80 : x
  2. Step 2: Convert to fraction form
    290,417.67/400,602.60 = 182,800.80/x
  3. Step 3: Cross multiply
    290,417.67x = 400,602.60 × 182,800.80
  4. Step 4: Simplify right side
    290,417.67x = 73,230,475,762.08
  5. Step 5: Solve for x
    x = 73,230,475,762.08/290,417.67
  6. Step 6: Final answer
    x = 252,155.72

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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.