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Finding the Fourth Proportional to 651,868.28, 899,532.72 and 361,494.56

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Solution

The fourth proportional to 651,868.28, 899,532.72 and 361,494.56 is: 498,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,868.28 : 899,532.72 = 361,494.56 : x
  2. Step 2: Convert to fraction form
    651,868.28/899,532.72 = 361,494.56/x
  3. Step 3: Cross multiply
    651,868.28x = 899,532.72 × 361,494.56
  4. Step 4: Simplify right side
    651,868.28x = 325,176,184,822.00
  5. Step 5: Solve for x
    x = 325,176,184,822.00/651,868.28
  6. Step 6: Final answer
    x = 498,837.26

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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.