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Finding the Fourth Proportional to 976,606.56, 1,347,801.84 and 546,878.88

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Solution

The fourth proportional to 976,606.56, 1,347,801.84 and 546,878.88 is: 754,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,606.56 : 1,347,801.84 = 546,878.88 : x
  2. Step 2: Convert to fraction form
    976,606.56/1,347,801.84 = 546,878.88/x
  3. Step 3: Cross multiply
    976,606.56x = 1,347,801.84 × 546,878.88
  4. Step 4: Simplify right side
    976,606.56x = 737,084,360,721.14
  5. Step 5: Solve for x
    x = 737,084,360,721.14/976,606.56
  6. Step 6: Final answer
    x = 754,740.33

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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.