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Finding the Fourth Proportional to 302,641.16, 417,694.73 and 230,885.69

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Solution

The fourth proportional to 302,641.16, 417,694.73 and 230,885.69 is: 318,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,641.16 : 417,694.73 = 230,885.69 : x
  2. Step 2: Convert to fraction form
    302,641.16/417,694.73 = 230,885.69/x
  3. Step 3: Cross multiply
    302,641.16x = 417,694.73 × 230,885.69
  4. Step 4: Simplify right side
    302,641.16x = 96,439,732,702.51
  5. Step 5: Solve for x
    x = 96,439,732,702.51/302,641.16
  6. Step 6: Final answer
    x = 318,660.34

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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.