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Finding the Fourth Proportional to 357,479.88, 536,285.74 and 117,607.28

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Solution

The fourth proportional to 357,479.88, 536,285.74 and 117,607.28 is: 176,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,479.88 : 536,285.74 = 117,607.28 : x
  2. Step 2: Convert to fraction form
    357,479.88/536,285.74 = 117,607.28/x
  3. Step 3: Cross multiply
    357,479.88x = 536,285.74 × 117,607.28
  4. Step 4: Simplify right side
    357,479.88x = 63,071,107,184.19
  5. Step 5: Solve for x
    x = 63,071,107,184.19/357,479.88
  6. Step 6: Final answer
    x = 176,432.61

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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.