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Finding the Fourth Proportional to 546,085.55, 753,601.56 and 304,383.45

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Solution

The fourth proportional to 546,085.55, 753,601.56 and 304,383.45 is: 420,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,085.55 : 753,601.56 = 304,383.45 : x
  2. Step 2: Convert to fraction form
    546,085.55/753,601.56 = 304,383.45/x
  3. Step 3: Cross multiply
    546,085.55x = 753,601.56 × 304,383.45
  4. Step 4: Simplify right side
    546,085.55x = 229,383,841,236.27
  5. Step 5: Solve for x
    x = 229,383,841,236.27/546,085.55
  6. Step 6: Final answer
    x = 420,051.11

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Double scale
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1.5x scale

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.