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Finding the Fourth Proportional to 260,210.96, 358,892.98 and 223,974.08

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Solution

The fourth proportional to 260,210.96, 358,892.98 and 223,974.08 is: 308,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,210.96 : 358,892.98 = 223,974.08 : x
  2. Step 2: Convert to fraction form
    260,210.96/358,892.98 = 223,974.08/x
  3. Step 3: Cross multiply
    260,210.96x = 358,892.98 × 223,974.08
  4. Step 4: Simplify right side
    260,210.96x = 80,382,725,013.96
  5. Step 5: Solve for x
    x = 80,382,725,013.96/260,210.96
  6. Step 6: Final answer
    x = 308,913.68

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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.