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Finding the Fourth Proportional to 472,465.80, 708,698.70 and 462,624.30

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Solution

The fourth proportional to 472,465.80, 708,698.70 and 462,624.30 is: 693,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,465.80 : 708,698.70 = 462,624.30 : x
  2. Step 2: Convert to fraction form
    472,465.80/708,698.70 = 462,624.30/x
  3. Step 3: Cross multiply
    472,465.80x = 708,698.70 × 462,624.30
  4. Step 4: Simplify right side
    472,465.80x = 327,861,239,998.41
  5. Step 5: Solve for x
    x = 327,861,239,998.41/472,465.80
  6. Step 6: Final answer
    x = 693,936.45

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Similar ratio
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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.