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Finding the Fourth Proportional to 480,030.80, 720,046.20 and 471,736.40

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Solution

The fourth proportional to 480,030.80, 720,046.20 and 471,736.40 is: 707,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,030.80 : 720,046.20 = 471,736.40 : x
  2. Step 2: Convert to fraction form
    480,030.80/720,046.20 = 471,736.40/x
  3. Step 3: Cross multiply
    480,030.80x = 720,046.20 × 471,736.40
  4. Step 4: Simplify right side
    480,030.80x = 339,672,002,221.68
  5. Step 5: Solve for x
    x = 339,672,002,221.68/480,030.80
  6. Step 6: Final answer
    x = 707,604.60

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1.5x scale

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.