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Finding the Fourth Proportional to 534,802.56, 802,187.37 and 219,021.63

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Solution

The fourth proportional to 534,802.56, 802,187.37 and 219,021.63 is: 328,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,802.56 : 802,187.37 = 219,021.63 : x
  2. Step 2: Convert to fraction form
    534,802.56/802,187.37 = 219,021.63/x
  3. Step 3: Cross multiply
    534,802.56x = 802,187.37 × 219,021.63
  4. Step 4: Simplify right side
    534,802.56x = 175,696,385,342.81
  5. Step 5: Solve for x
    x = 175,696,385,342.81/534,802.56
  6. Step 6: Final answer
    x = 328,525.70

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1.5x scale

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.