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Finding the Fourth Proportional to 302,724, 417,772.08 and 168,588

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Solution

The fourth proportional to 302,724, 417,772.08 and 168,588 is: 232,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,724 : 417,772.08 = 168,588 : x
  2. Step 2: Convert to fraction form
    302,724/417,772.08 = 168,588/x
  3. Step 3: Cross multiply
    302,724x = 417,772.08 × 168,588
  4. Step 4: Simplify right side
    302,724x = 70,431,359,423.04
  5. Step 5: Solve for x
    x = 70,431,359,423.04/302,724
  6. Step 6: Final answer
    x = 232,658.66

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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.