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Finding the Fourth Proportional to 654,507.63, 903,187.53 and 368,010.63

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Solution

The fourth proportional to 654,507.63, 903,187.53 and 368,010.63 is: 507,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,507.63 : 903,187.53 = 368,010.63 : x
  2. Step 2: Convert to fraction form
    654,507.63/903,187.53 = 368,010.63/x
  3. Step 3: Cross multiply
    654,507.63x = 903,187.53 × 368,010.63
  4. Step 4: Simplify right side
    654,507.63x = 332,382,611,923.44
  5. Step 5: Solve for x
    x = 332,382,611,923.44/654,507.63
  6. Step 6: Final answer
    x = 507,836.11

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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.