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Finding the Fourth Proportional to 355,701.54, 533,552.28 and 145,339.26

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Solution

The fourth proportional to 355,701.54, 533,552.28 and 145,339.26 is: 218,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,701.54 : 533,552.28 = 145,339.26 : x
  2. Step 2: Convert to fraction form
    355,701.54/533,552.28 = 145,339.26/x
  3. Step 3: Cross multiply
    355,701.54x = 533,552.28 × 145,339.26
  4. Step 4: Simplify right side
    355,701.54x = 77,546,093,546.51
  5. Step 5: Solve for x
    x = 77,546,093,546.51/355,701.54
  6. Step 6: Final answer
    x = 218,008.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.