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Finding the Fourth Proportional to 354,480.84, 531,543.60 and 117,740.52

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Solution

The fourth proportional to 354,480.84, 531,543.60 and 117,740.52 is: 176,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,480.84 : 531,543.60 = 117,740.52 : x
  2. Step 2: Convert to fraction form
    354,480.84/531,543.60 = 117,740.52/x
  3. Step 3: Cross multiply
    354,480.84x = 531,543.60 × 117,740.52
  4. Step 4: Simplify right side
    354,480.84x = 62,584,219,866.67
  5. Step 5: Solve for x
    x = 62,584,219,866.67/354,480.84
  6. Step 6: Final answer
    x = 176,551.77

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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.