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Finding the Fourth Proportional to 302,983.84, 418,117.58 and 167,020.01

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Solution

The fourth proportional to 302,983.84, 418,117.58 and 167,020.01 is: 230,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,983.84 : 418,117.58 = 167,020.01 : x
  2. Step 2: Convert to fraction form
    302,983.84/418,117.58 = 167,020.01/x
  3. Step 3: Cross multiply
    302,983.84x = 418,117.58 × 167,020.01
  4. Step 4: Simplify right side
    302,983.84x = 69,834,001,661.35
  5. Step 5: Solve for x
    x = 69,834,001,661.35/302,983.84
  6. Step 6: Final answer
    x = 230,487.54

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1.5x scale

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.