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Finding the Fourth Proportional to 546,827.40, 820,241.10 and 346,498.20

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Solution

The fourth proportional to 546,827.40, 820,241.10 and 346,498.20 is: 519,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,827.40 : 820,241.10 = 346,498.20 : x
  2. Step 2: Convert to fraction form
    546,827.40/820,241.10 = 346,498.20/x
  3. Step 3: Cross multiply
    546,827.40x = 820,241.10 × 346,498.20
  4. Step 4: Simplify right side
    546,827.40x = 284,212,064,716.02
  5. Step 5: Solve for x
    x = 284,212,064,716.02/546,827.40
  6. Step 6: Final answer
    x = 519,747.30

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Double scale
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Similar ratio
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1.5x scale

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.