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Finding the Fourth Proportional to 653,521.68, 901,914.48 and 367,099.20

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Solution

The fourth proportional to 653,521.68, 901,914.48 and 367,099.20 is: 506,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,521.68 : 901,914.48 = 367,099.20 : x
  2. Step 2: Convert to fraction form
    653,521.68/901,914.48 = 367,099.20/x
  3. Step 3: Cross multiply
    653,521.68x = 901,914.48 × 367,099.20
  4. Step 4: Simplify right side
    653,521.68x = 331,092,084,076.42
  5. Step 5: Solve for x
    x = 331,092,084,076.42/653,521.68
  6. Step 6: Final answer
    x = 506,627.54

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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.