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Finding the Fourth Proportional to 3,243,071, 4,865,393.86 and 999,208.92

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Solution

The fourth proportional to 3,243,071, 4,865,393.86 and 999,208.92 is: 1,499,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243,071 : 4,865,393.86 = 999,208.92 : x
  2. Step 2: Convert to fraction form
    3,243,071/4,865,393.86 = 999,208.92/x
  3. Step 3: Cross multiply
    3,243,071x = 4,865,393.86 × 999,208.92
  4. Step 4: Simplify right side
    3,243,071x = 4,861,544,944,225.23
  5. Step 5: Solve for x
    x = 4,861,544,944,225.23/3,243,071
  6. Step 6: Final answer
    x = 1,499,055.97

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Double scale
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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.