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Finding the Fourth Proportional to 535,323.58, 802,731.21 and 310,752.88

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Solution

The fourth proportional to 535,323.58, 802,731.21 and 310,752.88 is: 465,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,323.58 : 802,731.21 = 310,752.88 : x
  2. Step 2: Convert to fraction form
    535,323.58/802,731.21 = 310,752.88/x
  3. Step 3: Cross multiply
    535,323.58x = 802,731.21 × 310,752.88
  4. Step 4: Simplify right side
    535,323.58x = 249,451,035,373.39
  5. Step 5: Solve for x
    x = 249,451,035,373.39/535,323.58
  6. Step 6: Final answer
    x = 465,981.78

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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.