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Finding the Fourth Proportional to 358,214.51, 537,207.34 and 118,283.73

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Solution

The fourth proportional to 358,214.51, 537,207.34 and 118,283.73 is: 177,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,214.51 : 537,207.34 = 118,283.73 : x
  2. Step 2: Convert to fraction form
    358,214.51/537,207.34 = 118,283.73/x
  3. Step 3: Cross multiply
    358,214.51x = 537,207.34 × 118,283.73
  4. Step 4: Simplify right side
    358,214.51x = 63,542,887,958.58
  5. Step 5: Solve for x
    x = 63,542,887,958.58/358,214.51
  6. Step 6: Final answer
    x = 177,387.81

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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.