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Finding the Fourth Proportional to 329,860.60, 494,711.70 and 93,225.40

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Solution

The fourth proportional to 329,860.60, 494,711.70 and 93,225.40 is: 139,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,860.60 : 494,711.70 = 93,225.40 : x
  2. Step 2: Convert to fraction form
    329,860.60/494,711.70 = 93,225.40/x
  3. Step 3: Cross multiply
    329,860.60x = 494,711.70 × 93,225.40
  4. Step 4: Simplify right side
    329,860.60x = 46,119,696,117.18
  5. Step 5: Solve for x
    x = 46,119,696,117.18/329,860.60
  6. Step 6: Final answer
    x = 139,815.72

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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.