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Finding the Fourth Proportional to 603,042.14, 832,139.24 and 348,387.86

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Solution

The fourth proportional to 603,042.14, 832,139.24 and 348,387.86 is: 480,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,042.14 : 832,139.24 = 348,387.86 : x
  2. Step 2: Convert to fraction form
    603,042.14/832,139.24 = 348,387.86/x
  3. Step 3: Cross multiply
    603,042.14x = 832,139.24 × 348,387.86
  4. Step 4: Simplify right side
    603,042.14x = 289,907,209,045.63
  5. Step 5: Solve for x
    x = 289,907,209,045.63/603,042.14
  6. Step 6: Final answer
    x = 480,741.21

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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.