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Finding the Fourth Proportional to 557,808.68, 836,624.94 and 463,643.72

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Solution

The fourth proportional to 557,808.68, 836,624.94 and 463,643.72 is: 695,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,808.68 : 836,624.94 = 463,643.72 : x
  2. Step 2: Convert to fraction form
    557,808.68/836,624.94 = 463,643.72/x
  3. Step 3: Cross multiply
    557,808.68x = 836,624.94 × 463,643.72
  4. Step 4: Simplify right side
    557,808.68x = 387,895,899,426.38
  5. Step 5: Solve for x
    x = 387,895,899,426.38/557,808.68
  6. Step 6: Final answer
    x = 695,392.37

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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.