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Finding the Fourth Proportional to 508,622.58, 763,050.24 and 220,482.54

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Solution

The fourth proportional to 508,622.58, 763,050.24 and 220,482.54 is: 330,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,622.58 : 763,050.24 = 220,482.54 : x
  2. Step 2: Convert to fraction form
    508,622.58/763,050.24 = 220,482.54/x
  3. Step 3: Cross multiply
    508,622.58x = 763,050.24 × 220,482.54
  4. Step 4: Simplify right side
    508,622.58x = 168,239,255,062.81
  5. Step 5: Solve for x
    x = 168,239,255,062.81/508,622.58
  6. Step 6: Final answer
    x = 330,774.26

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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.