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Finding the Fourth Proportional to 454,493.80, 681,740.70 and 117,533.80

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Solution

The fourth proportional to 454,493.80, 681,740.70 and 117,533.80 is: 176,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,493.80 : 681,740.70 = 117,533.80 : x
  2. Step 2: Convert to fraction form
    454,493.80/681,740.70 = 117,533.80/x
  3. Step 3: Cross multiply
    454,493.80x = 681,740.70 × 117,533.80
  4. Step 4: Simplify right side
    454,493.80x = 80,127,575,085.66
  5. Step 5: Solve for x
    x = 80,127,575,085.66/454,493.80
  6. Step 6: Final answer
    x = 176,300.70

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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.