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Finding the Fourth Proportional to 578,615.45, 868,004.54 and 241,579.45

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Solution

The fourth proportional to 578,615.45, 868,004.54 and 241,579.45 is: 362,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,615.45 : 868,004.54 = 241,579.45 : x
  2. Step 2: Convert to fraction form
    578,615.45/868,004.54 = 241,579.45/x
  3. Step 3: Cross multiply
    578,615.45x = 868,004.54 × 241,579.45
  4. Step 4: Simplify right side
    578,615.45x = 209,692,060,153.73
  5. Step 5: Solve for x
    x = 209,692,060,153.73/578,615.45
  6. Step 6: Final answer
    x = 362,403.15

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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.