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Finding the Fourth Proportional to 354,196.32, 531,357.60 and 117,552.96

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Solution

The fourth proportional to 354,196.32, 531,357.60 and 117,552.96 is: 176,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,196.32 : 531,357.60 = 117,552.96 : x
  2. Step 2: Convert to fraction form
    354,196.32/531,357.60 = 117,552.96/x
  3. Step 3: Cross multiply
    354,196.32x = 531,357.60 × 117,552.96
  4. Step 4: Simplify right side
    354,196.32x = 62,462,658,698.50
  5. Step 5: Solve for x
    x = 62,462,658,698.50/354,196.32
  6. Step 6: Final answer
    x = 176,350.39

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1.5x scale

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.