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Finding the Fourth Proportional to 565,153.20, 847,730.20 and 144,429.52

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Solution

The fourth proportional to 565,153.20, 847,730.20 and 144,429.52 is: 216,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,153.20 : 847,730.20 = 144,429.52 : x
  2. Step 2: Convert to fraction form
    565,153.20/847,730.20 = 144,429.52/x
  3. Step 3: Cross multiply
    565,153.20x = 847,730.20 × 144,429.52
  4. Step 4: Simplify right side
    565,153.20x = 122,437,265,875.50
  5. Step 5: Solve for x
    x = 122,437,265,875.50/565,153.20
  6. Step 6: Final answer
    x = 216,644.38

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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.