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Finding the Fourth Proportional to 570,870.22, 856,404.30 and 191,827.96

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Solution

The fourth proportional to 570,870.22, 856,404.30 and 191,827.96 is: 287,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,870.22 : 856,404.30 = 191,827.96 : x
  2. Step 2: Convert to fraction form
    570,870.22/856,404.30 = 191,827.96/x
  3. Step 3: Cross multiply
    570,870.22x = 856,404.30 × 191,827.96
  4. Step 4: Simplify right side
    570,870.22x = 164,282,289,804.23
  5. Step 5: Solve for x
    x = 164,282,289,804.23/570,870.22
  6. Step 6: Final answer
    x = 287,775.20

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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.