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Finding the Fourth Proportional to 570,293.84, 855,051.96 and 289,269.20

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Solution

The fourth proportional to 570,293.84, 855,051.96 and 289,269.20 is: 433,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,293.84 : 855,051.96 = 289,269.20 : x
  2. Step 2: Convert to fraction form
    570,293.84/855,051.96 = 289,269.20/x
  3. Step 3: Cross multiply
    570,293.84x = 855,051.96 × 289,269.20
  4. Step 4: Simplify right side
    570,293.84x = 247,340,196,427.63
  5. Step 5: Solve for x
    x = 247,340,196,427.63/570,293.84
  6. Step 6: Final answer
    x = 433,706.59

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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.