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Finding the Fourth Proportional to 459,608.77, 634,001.07 and 275,799.79

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Solution

The fourth proportional to 459,608.77, 634,001.07 and 275,799.79 is: 380,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,608.77 : 634,001.07 = 275,799.79 : x
  2. Step 2: Convert to fraction form
    459,608.77/634,001.07 = 275,799.79/x
  3. Step 3: Cross multiply
    459,608.77x = 634,001.07 × 275,799.79
  4. Step 4: Simplify right side
    459,608.77x = 174,857,361,070.27
  5. Step 5: Solve for x
    x = 174,857,361,070.27/459,608.77
  6. Step 6: Final answer
    x = 380,448.27

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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.