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Finding the Fourth Proportional to 302,491.70, 454,017.60 and 152,837.31

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Solution

The fourth proportional to 302,491.70, 454,017.60 and 152,837.31 is: 229,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,491.70 : 454,017.60 = 152,837.31 : x
  2. Step 2: Convert to fraction form
    302,491.70/454,017.60 = 152,837.31/x
  3. Step 3: Cross multiply
    302,491.70x = 454,017.60 × 152,837.31
  4. Step 4: Simplify right side
    302,491.70x = 69,390,828,676.66
  5. Step 5: Solve for x
    x = 69,390,828,676.66/302,491.70
  6. Step 6: Final answer
    x = 229,397.46

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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.