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Finding the Fourth Proportional to 2,350.32, 3,525.51 and 618.93

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Solution

The fourth proportional to 2,350.32, 3,525.51 and 618.93 is: 928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.32 : 3,525.51 = 618.93 : x
  2. Step 2: Convert to fraction form
    2,350.32/3,525.51 = 618.93/x
  3. Step 3: Cross multiply
    2,350.32x = 3,525.51 × 618.93
  4. Step 4: Simplify right side
    2,350.32x = 2,182,043.90
  5. Step 5: Solve for x
    x = 2,182,043.90/2,350.32
  6. Step 6: Final answer
    x = 928.40

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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.