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Finding the Fourth Proportional to 3,398,746.02, 4,690,668.29 and 1,908,842.01

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Solution

The fourth proportional to 3,398,746.02, 4,690,668.29 and 1,908,842.01 is: 2,634,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,746.02 : 4,690,668.29 = 1,908,842.01 : x
  2. Step 2: Convert to fraction form
    3,398,746.02/4,690,668.29 = 1,908,842.01/x
  3. Step 3: Cross multiply
    3,398,746.02x = 4,690,668.29 × 1,908,842.01
  4. Step 4: Simplify right side
    3,398,746.02x = 8,953,744,703,920.36
  5. Step 5: Solve for x
    x = 8,953,744,703,920.36/3,398,746.02
  6. Step 6: Final answer
    x = 2,634,425.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.