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Finding the Fourth Proportional to 353,875.06, 529,565.46 and 220,817.98

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Solution

The fourth proportional to 353,875.06, 529,565.46 and 220,817.98 is: 330,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,875.06 : 529,565.46 = 220,817.98 : x
  2. Step 2: Convert to fraction form
    353,875.06/529,565.46 = 220,817.98/x
  3. Step 3: Cross multiply
    353,875.06x = 529,565.46 × 220,817.98
  4. Step 4: Simplify right side
    353,875.06x = 116,937,575,154.97
  5. Step 5: Solve for x
    x = 116,937,575,154.97/353,875.06
  6. Step 6: Final answer
    x = 330,448.76

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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.