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Finding the Fourth Proportional to 488,793.95, 674,409 and 295,048.53

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Solution

The fourth proportional to 488,793.95, 674,409 and 295,048.53 is: 407,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,793.95 : 674,409 = 295,048.53 : x
  2. Step 2: Convert to fraction form
    488,793.95/674,409 = 295,048.53/x
  3. Step 3: Cross multiply
    488,793.95x = 674,409 × 295,048.53
  4. Step 4: Simplify right side
    488,793.95x = 198,983,384,068.77
  5. Step 5: Solve for x
    x = 198,983,384,068.77/488,793.95
  6. Step 6: Final answer
    x = 407,090.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.