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Finding the Fourth Proportional to 670,577.84, 925,378.92 and 368,771.84

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Solution

The fourth proportional to 670,577.84, 925,378.92 and 368,771.84 is: 508,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,577.84 : 925,378.92 = 368,771.84 : x
  2. Step 2: Convert to fraction form
    670,577.84/925,378.92 = 368,771.84/x
  3. Step 3: Cross multiply
    670,577.84x = 925,378.92 × 368,771.84
  4. Step 4: Simplify right side
    670,577.84x = 341,253,687,025.61
  5. Step 5: Solve for x
    x = 341,253,687,025.61/670,577.84
  6. Step 6: Final answer
    x = 508,894.97

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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.