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Finding the Fourth Proportional to 354,816.87, 532,028.40 and 118,030.38

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Solution

The fourth proportional to 354,816.87, 532,028.40 and 118,030.38 is: 176,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,816.87 : 532,028.40 = 118,030.38 : x
  2. Step 2: Convert to fraction form
    354,816.87/532,028.40 = 118,030.38/x
  3. Step 3: Cross multiply
    354,816.87x = 532,028.40 × 118,030.38
  4. Step 4: Simplify right side
    354,816.87x = 62,795,514,222.79
  5. Step 5: Solve for x
    x = 62,795,514,222.79/354,816.87
  6. Step 6: Final answer
    x = 176,980.07

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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.