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Finding the Fourth Proportional to 539,770.52, 744,879.66 and 298,068.32

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Solution

The fourth proportional to 539,770.52, 744,879.66 and 298,068.32 is: 411,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,770.52 : 744,879.66 = 298,068.32 : x
  2. Step 2: Convert to fraction form
    539,770.52/744,879.66 = 298,068.32/x
  3. Step 3: Cross multiply
    539,770.52x = 744,879.66 × 298,068.32
  4. Step 4: Simplify right side
    539,770.52x = 222,025,028,858.37
  5. Step 5: Solve for x
    x = 222,025,028,858.37/539,770.52
  6. Step 6: Final answer
    x = 411,332.26

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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.