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Finding the Fourth Proportional to 560,485.22, 773,669.01 and 331,043.38

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Solution

The fourth proportional to 560,485.22, 773,669.01 and 331,043.38 is: 456,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,485.22 : 773,669.01 = 331,043.38 : x
  2. Step 2: Convert to fraction form
    560,485.22/773,669.01 = 331,043.38/x
  3. Step 3: Cross multiply
    560,485.22x = 773,669.01 × 331,043.38
  4. Step 4: Simplify right side
    560,485.22x = 256,118,004,071.65
  5. Step 5: Solve for x
    x = 256,118,004,071.65/560,485.22
  6. Step 6: Final answer
    x = 456,957.64

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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.