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Finding the Fourth Proportional to 341,707.60, 511,351.80 and 297,816.40

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Solution

The fourth proportional to 341,707.60, 511,351.80 and 297,816.40 is: 445,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,707.60 : 511,351.80 = 297,816.40 : x
  2. Step 2: Convert to fraction form
    341,707.60/511,351.80 = 297,816.40/x
  3. Step 3: Cross multiply
    341,707.60x = 511,351.80 × 297,816.40
  4. Step 4: Simplify right side
    341,707.60x = 152,288,952,209.52
  5. Step 5: Solve for x
    x = 152,288,952,209.52/341,707.60
  6. Step 6: Final answer
    x = 445,670.37

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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.