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Finding the Fourth Proportional to 557,804.68, 836,618.94 and 463,639.72

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Solution

The fourth proportional to 557,804.68, 836,618.94 and 463,639.72 is: 695,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,804.68 : 836,618.94 = 463,639.72 : x
  2. Step 2: Convert to fraction form
    557,804.68/836,618.94 = 463,639.72/x
  3. Step 3: Cross multiply
    557,804.68x = 836,618.94 × 463,639.72
  4. Step 4: Simplify right side
    557,804.68x = 387,889,771,088.30
  5. Step 5: Solve for x
    x = 387,889,771,088.30/557,804.68
  6. Step 6: Final answer
    x = 695,386.37

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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.