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Finding the Fourth Proportional to 653,319.88, 901,607.03 and 447,021.01

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Solution

The fourth proportional to 653,319.88, 901,607.03 and 447,021.01 is: 616,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,319.88 : 901,607.03 = 447,021.01 : x
  2. Step 2: Convert to fraction form
    653,319.88/901,607.03 = 447,021.01/x
  3. Step 3: Cross multiply
    653,319.88x = 901,607.03 × 447,021.01
  4. Step 4: Simplify right side
    653,319.88x = 403,037,282,938.60
  5. Step 5: Solve for x
    x = 403,037,282,938.60/653,319.88
  6. Step 6: Final answer
    x = 616,906.50

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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.