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Finding the Fourth Proportional to 546,773.40, 820,160.10 and 347,975.10

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Solution

The fourth proportional to 546,773.40, 820,160.10 and 347,975.10 is: 521,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,773.40 : 820,160.10 = 347,975.10 : x
  2. Step 2: Convert to fraction form
    546,773.40/820,160.10 = 347,975.10/x
  3. Step 3: Cross multiply
    546,773.40x = 820,160.10 × 347,975.10
  4. Step 4: Simplify right side
    546,773.40x = 285,395,292,813.51
  5. Step 5: Solve for x
    x = 285,395,292,813.51/546,773.40
  6. Step 6: Final answer
    x = 521,962.65

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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.