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Finding the Fourth Proportional to 492,938.60, 735,266.28 and 447,530.85

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Solution

The fourth proportional to 492,938.60, 735,266.28 and 447,530.85 is: 667,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,938.60 : 735,266.28 = 447,530.85 : x
  2. Step 2: Convert to fraction form
    492,938.60/735,266.28 = 447,530.85/x
  3. Step 3: Cross multiply
    492,938.60x = 735,266.28 × 447,530.85
  4. Step 4: Simplify right side
    492,938.60x = 329,054,343,264.74
  5. Step 5: Solve for x
    x = 329,054,343,264.74/492,938.60
  6. Step 6: Final answer
    x = 667,536.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.