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Finding the Fourth Proportional to 493,335.32, 680,804.58 and 266,980.82

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Solution

The fourth proportional to 493,335.32, 680,804.58 and 266,980.82 is: 368,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,335.32 : 680,804.58 = 266,980.82 : x
  2. Step 2: Convert to fraction form
    493,335.32/680,804.58 = 266,980.82/x
  3. Step 3: Cross multiply
    493,335.32x = 680,804.58 × 266,980.82
  4. Step 4: Simplify right side
    493,335.32x = 181,761,765,028.16
  5. Step 5: Solve for x
    x = 181,761,765,028.16/493,335.32
  6. Step 6: Final answer
    x = 368,434.53

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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.