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Finding the Fourth Proportional to 453,998.22, 626,521.89 and 250,053.76

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Solution

The fourth proportional to 453,998.22, 626,521.89 and 250,053.76 is: 345,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,998.22 : 626,521.89 = 250,053.76 : x
  2. Step 2: Convert to fraction form
    453,998.22/626,521.89 = 250,053.76/x
  3. Step 3: Cross multiply
    453,998.22x = 626,521.89 × 250,053.76
  4. Step 4: Simplify right side
    453,998.22x = 156,664,154,316.81
  5. Step 5: Solve for x
    x = 156,664,154,316.81/453,998.22
  6. Step 6: Final answer
    x = 345,076.58

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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.