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Finding the Fourth Proportional to 670,493.07, 925,280.45 and 368,687.07

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Solution

The fourth proportional to 670,493.07, 925,280.45 and 368,687.07 is: 508,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,493.07 : 925,280.45 = 368,687.07 : x
  2. Step 2: Convert to fraction form
    670,493.07/925,280.45 = 368,687.07/x
  3. Step 3: Cross multiply
    670,493.07x = 925,280.45 × 368,687.07
  4. Step 4: Simplify right side
    670,493.07x = 341,138,936,195.35
  5. Step 5: Solve for x
    x = 341,138,936,195.35/670,493.07
  6. Step 6: Final answer
    x = 508,788.16

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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.