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Finding the Fourth Proportional to 304,701.60, 457,094.88 and 127,167.96

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Solution

The fourth proportional to 304,701.60, 457,094.88 and 127,167.96 is: 190,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,701.60 : 457,094.88 = 127,167.96 : x
  2. Step 2: Convert to fraction form
    304,701.60/457,094.88 = 127,167.96/x
  3. Step 3: Cross multiply
    304,701.60x = 457,094.88 × 127,167.96
  4. Step 4: Simplify right side
    304,701.60x = 58,127,823,416.04
  5. Step 5: Solve for x
    x = 58,127,823,416.04/304,701.60
  6. Step 6: Final answer
    x = 190,769.67

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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.