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Finding the Fourth Proportional to 575,636.55, 863,377.05 and 154,937.67

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Solution

The fourth proportional to 575,636.55, 863,377.05 and 154,937.67 is: 232,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,636.55 : 863,377.05 = 154,937.67 : x
  2. Step 2: Convert to fraction form
    575,636.55/863,377.05 = 154,937.67/x
  3. Step 3: Cross multiply
    575,636.55x = 863,377.05 × 154,937.67
  4. Step 4: Simplify right side
    575,636.55x = 133,769,628,458.47
  5. Step 5: Solve for x
    x = 133,769,628,458.47/575,636.55
  6. Step 6: Final answer
    x = 232,385.57

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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.