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Finding the Fourth Proportional to 572,875.56, 859,707.74 and 198,898.60

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Solution

The fourth proportional to 572,875.56, 859,707.74 and 198,898.60 is: 298,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,875.56 : 859,707.74 = 198,898.60 : x
  2. Step 2: Convert to fraction form
    572,875.56/859,707.74 = 198,898.60/x
  3. Step 3: Cross multiply
    572,875.56x = 859,707.74 × 198,898.60
  4. Step 4: Simplify right side
    572,875.56x = 170,994,665,895.16
  5. Step 5: Solve for x
    x = 170,994,665,895.16/572,875.56
  6. Step 6: Final answer
    x = 298,484.83

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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.