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Finding the Fourth Proportional to 347,675.60, 521,359.80 and 160,744.40

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Solution

The fourth proportional to 347,675.60, 521,359.80 and 160,744.40 is: 241,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,675.60 : 521,359.80 = 160,744.40 : x
  2. Step 2: Convert to fraction form
    347,675.60/521,359.80 = 160,744.40/x
  3. Step 3: Cross multiply
    347,675.60x = 521,359.80 × 160,744.40
  4. Step 4: Simplify right side
    347,675.60x = 83,805,668,235.12
  5. Step 5: Solve for x
    x = 83,805,668,235.12/347,675.60
  6. Step 6: Final answer
    x = 241,045.58

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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.