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Finding the Fourth Proportional to 338,714.35, 508,156.95 and 239,069.16

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Solution

The fourth proportional to 338,714.35, 508,156.95 and 239,069.16 is: 358,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,714.35 : 508,156.95 = 239,069.16 : x
  2. Step 2: Convert to fraction form
    338,714.35/508,156.95 = 239,069.16/x
  3. Step 3: Cross multiply
    338,714.35x = 508,156.95 × 239,069.16
  4. Step 4: Simplify right side
    338,714.35x = 121,484,655,184.66
  5. Step 5: Solve for x
    x = 121,484,655,184.66/338,714.35
  6. Step 6: Final answer
    x = 358,664.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.