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Finding the Fourth Proportional to 302,462.16, 417,393.72 and 168,326.16

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Solution

The fourth proportional to 302,462.16, 417,393.72 and 168,326.16 is: 232,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,462.16 : 417,393.72 = 168,326.16 : x
  2. Step 2: Convert to fraction form
    302,462.16/417,393.72 = 168,326.16/x
  3. Step 3: Cross multiply
    302,462.16x = 417,393.72 × 168,326.16
  4. Step 4: Simplify right side
    302,462.16x = 70,258,282,095.72
  5. Step 5: Solve for x
    x = 70,258,282,095.72/302,462.16
  6. Step 6: Final answer
    x = 232,287.84

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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.