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Finding the Fourth Proportional to 480,024.80, 720,037.20 and 471,730.40

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Solution

The fourth proportional to 480,024.80, 720,037.20 and 471,730.40 is: 707,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,024.80 : 720,037.20 = 471,730.40 : x
  2. Step 2: Convert to fraction form
    480,024.80/720,037.20 = 471,730.40/x
  3. Step 3: Cross multiply
    480,024.80x = 720,037.20 × 471,730.40
  4. Step 4: Simplify right side
    480,024.80x = 339,663,436,370.88
  5. Step 5: Solve for x
    x = 339,663,436,370.88/480,024.80
  6. Step 6: Final answer
    x = 707,595.60

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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.