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Finding the Fourth Proportional to 628,108.93, 866,783.84 and 341,628.94

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Solution

The fourth proportional to 628,108.93, 866,783.84 and 341,628.94 is: 471,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,108.93 : 866,783.84 = 341,628.94 : x
  2. Step 2: Convert to fraction form
    628,108.93/866,783.84 = 341,628.94/x
  3. Step 3: Cross multiply
    628,108.93x = 866,783.84 × 341,628.94
  4. Step 4: Simplify right side
    628,108.93x = 296,118,443,843.67
  5. Step 5: Solve for x
    x = 296,118,443,843.67/628,108.93
  6. Step 6: Final answer
    x = 471,444.41

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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.