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Finding the Fourth Proportional to 1,894,397.52, 2,827,776.75 and 1,655,246.64

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Solution

The fourth proportional to 1,894,397.52, 2,827,776.75 and 1,655,246.64 is: 2,470,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,397.52 : 2,827,776.75 = 1,655,246.64 : x
  2. Step 2: Convert to fraction form
    1,894,397.52/2,827,776.75 = 1,655,246.64/x
  3. Step 3: Cross multiply
    1,894,397.52x = 2,827,776.75 × 1,655,246.64
  4. Step 4: Simplify right side
    1,894,397.52x = 4,680,667,964,107.62
  5. Step 5: Solve for x
    x = 4,680,667,964,107.62/1,894,397.52
  6. Step 6: Final answer
    x = 2,470,795.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.