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Finding the Fourth Proportional to 302,344.99, 417,253.31 and 173,304.93

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Solution

The fourth proportional to 302,344.99, 417,253.31 and 173,304.93 is: 239,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,344.99 : 417,253.31 = 173,304.93 : x
  2. Step 2: Convert to fraction form
    302,344.99/417,253.31 = 173,304.93/x
  3. Step 3: Cross multiply
    302,344.99x = 417,253.31 × 173,304.93
  4. Step 4: Simplify right side
    302,344.99x = 72,312,055,681.82
  5. Step 5: Solve for x
    x = 72,312,055,681.82/302,344.99
  6. Step 6: Final answer
    x = 239,170.68

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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.