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Finding the Fourth Proportional to 610,918.60, 916,608.30 and 295,654.60

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Solution

The fourth proportional to 610,918.60, 916,608.30 and 295,654.60 is: 443,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,918.60 : 916,608.30 = 295,654.60 : x
  2. Step 2: Convert to fraction form
    610,918.60/916,608.30 = 295,654.60/x
  3. Step 3: Cross multiply
    610,918.60x = 916,608.30 × 295,654.60
  4. Step 4: Simplify right side
    610,918.60x = 270,999,460,293.18
  5. Step 5: Solve for x
    x = 270,999,460,293.18/610,918.60
  6. Step 6: Final answer
    x = 443,593.40

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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.