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Finding the Fourth Proportional to 302,057.90, 453,063.12 and 175,617.54

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Solution

The fourth proportional to 302,057.90, 453,063.12 and 175,617.54 is: 263,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,057.90 : 453,063.12 = 175,617.54 : x
  2. Step 2: Convert to fraction form
    302,057.90/453,063.12 = 175,617.54/x
  3. Step 3: Cross multiply
    302,057.90x = 453,063.12 × 175,617.54
  4. Step 4: Simplify right side
    302,057.90x = 79,565,830,599.12
  5. Step 5: Solve for x
    x = 79,565,830,599.12/302,057.90
  6. Step 6: Final answer
    x = 263,412.52

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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.