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Finding the Fourth Proportional to 304,313.40, 456,470.10 and 154,495.80

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Solution

The fourth proportional to 304,313.40, 456,470.10 and 154,495.80 is: 231,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,313.40 : 456,470.10 = 154,495.80 : x
  2. Step 2: Convert to fraction form
    304,313.40/456,470.10 = 154,495.80/x
  3. Step 3: Cross multiply
    304,313.40x = 456,470.10 × 154,495.80
  4. Step 4: Simplify right side
    304,313.40x = 70,522,713,275.58
  5. Step 5: Solve for x
    x = 70,522,713,275.58/304,313.40
  6. Step 6: Final answer
    x = 231,743.70

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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.