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Finding the Fourth Proportional to 653,190.92, 901,455.54 and 366,729.80

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Solution

The fourth proportional to 653,190.92, 901,455.54 and 366,729.80 is: 506,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,190.92 : 901,455.54 = 366,729.80 : x
  2. Step 2: Convert to fraction form
    653,190.92/901,455.54 = 366,729.80/x
  3. Step 3: Cross multiply
    653,190.92x = 901,455.54 × 366,729.80
  4. Step 4: Simplify right side
    653,190.92x = 330,590,609,893.09
  5. Step 5: Solve for x
    x = 330,590,609,893.09/653,190.92
  6. Step 6: Final answer
    x = 506,116.36

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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.