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Finding the Fourth Proportional to 612,037.20, 918,055.80 and 601,539.60

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Solution

The fourth proportional to 612,037.20, 918,055.80 and 601,539.60 is: 902,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,037.20 : 918,055.80 = 601,539.60 : x
  2. Step 2: Convert to fraction form
    612,037.20/918,055.80 = 601,539.60/x
  3. Step 3: Cross multiply
    612,037.20x = 918,055.80 × 601,539.60
  4. Step 4: Simplify right side
    612,037.20x = 552,246,918,709.68
  5. Step 5: Solve for x
    x = 552,246,918,709.68/612,037.20
  6. Step 6: Final answer
    x = 902,309.40

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Similar ratio
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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.