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Finding the Fourth Proportional to 670,768, 925,663.44 and 364,846.64

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Solution

The fourth proportional to 670,768, 925,663.44 and 364,846.64 is: 503,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,768 : 925,663.44 = 364,846.64 : x
  2. Step 2: Convert to fraction form
    670,768/925,663.44 = 364,846.64/x
  3. Step 3: Cross multiply
    670,768x = 925,663.44 × 364,846.64
  4. Step 4: Simplify right side
    670,768x = 337,725,195,854.84
  5. Step 5: Solve for x
    x = 337,725,195,854.84/670,768
  6. Step 6: Final answer
    x = 503,490.32

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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.