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Finding the Fourth Proportional to 976,714.40, 1,347,801.72 and 546,896

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Solution

The fourth proportional to 976,714.40, 1,347,801.72 and 546,896 is: 754,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,714.40 : 1,347,801.72 = 546,896 : x
  2. Step 2: Convert to fraction form
    976,714.40/1,347,801.72 = 546,896/x
  3. Step 3: Cross multiply
    976,714.40x = 1,347,801.72 × 546,896
  4. Step 4: Simplify right side
    976,714.40x = 737,107,369,461.12
  5. Step 5: Solve for x
    x = 737,107,369,461.12/976,714.40
  6. Step 6: Final answer
    x = 754,680.56

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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.