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Finding the Fourth Proportional to 531,923.08, 797,728.46 and 438,196.36

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Solution

The fourth proportional to 531,923.08, 797,728.46 and 438,196.36 is: 657,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,923.08 : 797,728.46 = 438,196.36 : x
  2. Step 2: Convert to fraction form
    531,923.08/797,728.46 = 438,196.36/x
  3. Step 3: Cross multiply
    531,923.08x = 797,728.46 × 438,196.36
  4. Step 4: Simplify right side
    531,923.08x = 349,561,707,440.41
  5. Step 5: Solve for x
    x = 349,561,707,440.41/531,923.08
  6. Step 6: Final answer
    x = 657,165.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.