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Finding the Fourth Proportional to 531,205.37, 732,855.32 and 326,901.60

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Solution

The fourth proportional to 531,205.37, 732,855.32 and 326,901.60 is: 450,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,205.37 : 732,855.32 = 326,901.60 : x
  2. Step 2: Convert to fraction form
    531,205.37/732,855.32 = 326,901.60/x
  3. Step 3: Cross multiply
    531,205.37x = 732,855.32 × 326,901.60
  4. Step 4: Simplify right side
    531,205.37x = 239,571,577,493.77
  5. Step 5: Solve for x
    x = 239,571,577,493.77/531,205.37
  6. Step 6: Final answer
    x = 450,996.15

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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.