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Finding the Fourth Proportional to 534,729.60, 802,209.60 and 160,790.40

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Solution

The fourth proportional to 534,729.60, 802,209.60 and 160,790.40 is: 241,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,729.60 : 802,209.60 = 160,790.40 : x
  2. Step 2: Convert to fraction form
    534,729.60/802,209.60 = 160,790.40/x
  3. Step 3: Cross multiply
    534,729.60x = 802,209.60 × 160,790.40
  4. Step 4: Simplify right side
    534,729.60x = 128,987,602,467.84
  5. Step 5: Solve for x
    x = 128,987,602,467.84/534,729.60
  6. Step 6: Final answer
    x = 241,220.24

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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.