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Finding the Fourth Proportional to 476,151.56, 657,099.06 and 261,279.08

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Solution

The fourth proportional to 476,151.56, 657,099.06 and 261,279.08 is: 360,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,151.56 : 657,099.06 = 261,279.08 : x
  2. Step 2: Convert to fraction form
    476,151.56/657,099.06 = 261,279.08/x
  3. Step 3: Cross multiply
    476,151.56x = 657,099.06 × 261,279.08
  4. Step 4: Simplify right side
    476,151.56x = 171,686,237,865.67
  5. Step 5: Solve for x
    x = 171,686,237,865.67/476,151.56
  6. Step 6: Final answer
    x = 360,570.57

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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.