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Finding the Fourth Proportional to 252,465.98, 348,340.76 and 154,324.08

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Solution

The fourth proportional to 252,465.98, 348,340.76 and 154,324.08 is: 212,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,465.98 : 348,340.76 = 154,324.08 : x
  2. Step 2: Convert to fraction form
    252,465.98/348,340.76 = 154,324.08/x
  3. Step 3: Cross multiply
    252,465.98x = 348,340.76 × 154,324.08
  4. Step 4: Simplify right side
    252,465.98x = 53,757,367,313.50
  5. Step 5: Solve for x
    x = 53,757,367,313.50/252,465.98
  6. Step 6: Final answer
    x = 212,929.15

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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.