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Finding the Fourth Proportional to 303,437.60, 418,676.88 and 176,039.36

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Solution

The fourth proportional to 303,437.60, 418,676.88 and 176,039.36 is: 242,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,437.60 : 418,676.88 = 176,039.36 : x
  2. Step 2: Convert to fraction form
    303,437.60/418,676.88 = 176,039.36/x
  3. Step 3: Cross multiply
    303,437.60x = 418,676.88 × 176,039.36
  4. Step 4: Simplify right side
    303,437.60x = 73,703,610,002.00
  5. Step 5: Solve for x
    x = 73,703,610,002.00/303,437.60
  6. Step 6: Final answer
    x = 242,895.44

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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.