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Finding the Fourth Proportional to 655,604.63, 904,762.29 and 365,215.84

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Solution

The fourth proportional to 655,604.63, 904,762.29 and 365,215.84 is: 504,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,604.63 : 904,762.29 = 365,215.84 : x
  2. Step 2: Convert to fraction form
    655,604.63/904,762.29 = 365,215.84/x
  3. Step 3: Cross multiply
    655,604.63x = 904,762.29 × 365,215.84
  4. Step 4: Simplify right side
    655,604.63x = 330,433,519,742.67
  5. Step 5: Solve for x
    x = 330,433,519,742.67/655,604.63
  6. Step 6: Final answer
    x = 504,013.40

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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.