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Finding the Fourth Proportional to 444,035.59, 612,765.55 and 257,784.34

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Solution

The fourth proportional to 444,035.59, 612,765.55 and 257,784.34 is: 355,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,035.59 : 612,765.55 = 257,784.34 : x
  2. Step 2: Convert to fraction form
    444,035.59/612,765.55 = 257,784.34/x
  3. Step 3: Cross multiply
    444,035.59x = 612,765.55 × 257,784.34
  4. Step 4: Simplify right side
    444,035.59x = 157,961,362,881.49
  5. Step 5: Solve for x
    x = 157,961,362,881.49/444,035.59
  6. Step 6: Final answer
    x = 355,740.32

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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.