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Finding the Fourth Proportional to 670,444.44, 925,213.32 and 368,638.44

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Solution

The fourth proportional to 670,444.44, 925,213.32 and 368,638.44 is: 508,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,444.44 : 925,213.32 = 368,638.44 : x
  2. Step 2: Convert to fraction form
    670,444.44/925,213.32 = 368,638.44/x
  3. Step 3: Cross multiply
    670,444.44x = 925,213.32 × 368,638.44
  4. Step 4: Simplify right side
    670,444.44x = 341,069,194,952.02
  5. Step 5: Solve for x
    x = 341,069,194,952.02/670,444.44
  6. Step 6: Final answer
    x = 508,721.04

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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.