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Finding the Fourth Proportional to 338,498.16, 467,127.72 and 187,595.16

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Solution

The fourth proportional to 338,498.16, 467,127.72 and 187,595.16 is: 258,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,498.16 : 467,127.72 = 187,595.16 : x
  2. Step 2: Convert to fraction form
    338,498.16/467,127.72 = 187,595.16/x
  3. Step 3: Cross multiply
    338,498.16x = 467,127.72 × 187,595.16
  4. Step 4: Simplify right side
    338,498.16x = 87,630,899,373.84
  5. Step 5: Solve for x
    x = 87,630,899,373.84/338,498.16
  6. Step 6: Final answer
    x = 258,881.46

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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.