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Finding the Fourth Proportional to 612,273.60, 918,410.40 and 544,622.40

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Solution

The fourth proportional to 612,273.60, 918,410.40 and 544,622.40 is: 816,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,273.60 : 918,410.40 = 544,622.40 : x
  2. Step 2: Convert to fraction form
    612,273.60/918,410.40 = 544,622.40/x
  3. Step 3: Cross multiply
    612,273.60x = 918,410.40 × 544,622.40
  4. Step 4: Simplify right side
    612,273.60x = 500,186,876,232.96
  5. Step 5: Solve for x
    x = 500,186,876,232.96/612,273.60
  6. Step 6: Final answer
    x = 816,933.60

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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.