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Finding the Fourth Proportional to 546,490.56, 754,174.68 and 304,783.32

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Solution

The fourth proportional to 546,490.56, 754,174.68 and 304,783.32 is: 420,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,490.56 : 754,174.68 = 304,783.32 : x
  2. Step 2: Convert to fraction form
    546,490.56/754,174.68 = 304,783.32/x
  3. Step 3: Cross multiply
    546,490.56x = 754,174.68 × 304,783.32
  4. Step 4: Simplify right side
    546,490.56x = 229,859,862,830.34
  5. Step 5: Solve for x
    x = 229,859,862,830.34/546,490.56
  6. Step 6: Final answer
    x = 420,610.86

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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.