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Finding the Fourth Proportional to 534,712.40, 802,068.60 and 335,646.80

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Solution

The fourth proportional to 534,712.40, 802,068.60 and 335,646.80 is: 503,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,712.40 : 802,068.60 = 335,646.80 : x
  2. Step 2: Convert to fraction form
    534,712.40/802,068.60 = 335,646.80/x
  3. Step 3: Cross multiply
    534,712.40x = 802,068.60 × 335,646.80
  4. Step 4: Simplify right side
    534,712.40x = 269,211,758,970.48
  5. Step 5: Solve for x
    x = 269,211,758,970.48/534,712.40
  6. Step 6: Final answer
    x = 503,470.20

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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.