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Finding the Fourth Proportional to 321,869.92, 482,802.96 and 175,059.04

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Solution

The fourth proportional to 321,869.92, 482,802.96 and 175,059.04 is: 262,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,869.92 : 482,802.96 = 175,059.04 : x
  2. Step 2: Convert to fraction form
    321,869.92/482,802.96 = 175,059.04/x
  3. Step 3: Cross multiply
    321,869.92x = 482,802.96 × 175,059.04
  4. Step 4: Simplify right side
    321,869.92x = 84,519,022,686.76
  5. Step 5: Solve for x
    x = 84,519,022,686.76/321,869.92
  6. Step 6: Final answer
    x = 262,587.52

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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.