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Finding the Fourth Proportional to 502,804.80, 754,243.65 and 302,694.30

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Solution

The fourth proportional to 502,804.80, 754,243.65 and 302,694.30 is: 454,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,804.80 : 754,243.65 = 302,694.30 : x
  2. Step 2: Convert to fraction form
    502,804.80/754,243.65 = 302,694.30/x
  3. Step 3: Cross multiply
    502,804.80x = 754,243.65 × 302,694.30
  4. Step 4: Simplify right side
    502,804.80x = 228,305,253,666.20
  5. Step 5: Solve for x
    x = 228,305,253,666.20/502,804.80
  6. Step 6: Final answer
    x = 454,063.39

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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.