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Finding the Fourth Proportional to 302,160.32, 417,068.88 and 187,473.92

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Solution

The fourth proportional to 302,160.32, 417,068.88 and 187,473.92 is: 258,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,160.32 : 417,068.88 = 187,473.92 : x
  2. Step 2: Convert to fraction form
    302,160.32/417,068.88 = 187,473.92/x
  3. Step 3: Cross multiply
    302,160.32x = 417,068.88 × 187,473.92
  4. Step 4: Simplify right side
    302,160.32x = 78,189,537,843.61
  5. Step 5: Solve for x
    x = 78,189,537,843.61/302,160.32
  6. Step 6: Final answer
    x = 258,768.38

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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.