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Finding the Fourth Proportional to 534,873.60, 802,051.20 and 297,964.80

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Solution

The fourth proportional to 534,873.60, 802,051.20 and 297,964.80 is: 446,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,873.60 : 802,051.20 = 297,964.80 : x
  2. Step 2: Convert to fraction form
    534,873.60/802,051.20 = 297,964.80/x
  3. Step 3: Cross multiply
    534,873.60x = 802,051.20 × 297,964.80
  4. Step 4: Simplify right side
    534,873.60x = 238,983,025,397.76
  5. Step 5: Solve for x
    x = 238,983,025,397.76/534,873.60
  6. Step 6: Final answer
    x = 446,802.81

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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.