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Finding the Fourth Proportional to 454,343.74, 626,998.71 and 250,402.06

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Solution

The fourth proportional to 454,343.74, 626,998.71 and 250,402.06 is: 345,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,343.74 : 626,998.71 = 250,402.06 : x
  2. Step 2: Convert to fraction form
    454,343.74/626,998.71 = 250,402.06/x
  3. Step 3: Cross multiply
    454,343.74x = 626,998.71 × 250,402.06
  4. Step 4: Simplify right side
    454,343.74x = 157,001,768,601.34
  5. Step 5: Solve for x
    x = 157,001,768,601.34/454,343.74
  6. Step 6: Final answer
    x = 345,557.24

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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.