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Finding the Fourth Proportional to 671,293.64, 925,913.58 and 441,777.80

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Solution

The fourth proportional to 671,293.64, 925,913.58 and 441,777.80 is: 609,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,293.64 : 925,913.58 = 441,777.80 : x
  2. Step 2: Convert to fraction form
    671,293.64/925,913.58 = 441,777.80/x
  3. Step 3: Cross multiply
    671,293.64x = 925,913.58 × 441,777.80
  4. Step 4: Simplify right side
    671,293.64x = 409,048,064,362.52
  5. Step 5: Solve for x
    x = 409,048,064,362.52/671,293.64
  6. Step 6: Final answer
    x = 609,342.98

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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.