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Finding the Fourth Proportional to 493,001.36, 680,341.28 and 266,646.32

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Solution

The fourth proportional to 493,001.36, 680,341.28 and 266,646.32 is: 367,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,001.36 : 680,341.28 = 266,646.32 : x
  2. Step 2: Convert to fraction form
    493,001.36/680,341.28 = 266,646.32/x
  3. Step 3: Cross multiply
    493,001.36x = 680,341.28 × 266,646.32
  4. Step 4: Simplify right side
    493,001.36x = 181,410,498,656.09
  5. Step 5: Solve for x
    x = 181,410,498,656.09/493,001.36
  6. Step 6: Final answer
    x = 367,971.60

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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.