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Finding the Fourth Proportional to 546,695.10, 820,042.65 and 335,648.70

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Solution

The fourth proportional to 546,695.10, 820,042.65 and 335,648.70 is: 503,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,695.10 : 820,042.65 = 335,648.70 : x
  2. Step 2: Convert to fraction form
    546,695.10/820,042.65 = 335,648.70/x
  3. Step 3: Cross multiply
    546,695.10x = 820,042.65 × 335,648.70
  4. Step 4: Simplify right side
    546,695.10x = 275,246,249,417.06
  5. Step 5: Solve for x
    x = 275,246,249,417.06/546,695.10
  6. Step 6: Final answer
    x = 503,473.05

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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.